# CVE-2021-3752: bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: f...

CVE-2021-3752 is fixed in 48 products on 1 platform, first by ELSA-2022-9147, released February 14, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-3752
- Priority: High
- CVSS: 8.2 (Important)
- EPSS: 0.0174
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 14, 2022

## Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)  * kernel: avoid cyclic entity chains due to malformed USB descriptors (CVE-2020-0404)  * kernel: speculation on incompletely validated data on IBM Power9 (CVE-2020-4788)  * kernel: integer overflow in k_ascii() in drivers/tty/vt/keyboard.c (CVE-2020-13974)  * kernel: out-of-bounds read in bpf_skb_change_head() of filter.c due to a use-after-free (CVE-2021-0941)  * kernel: joydev: zero size passed to joydev_handle_JSIOCSBTNMAP() (CVE-2021-3612)  * kernel: reading /proc/sysvipc/shm does not scale with large shared memory segment counts (CVE-2021-3669)  * kernel: out-of-bound Read in qrtr_endpoint_post in net/qrtr/qrtr.c (CVE-2021-3743)  * kernel: crypto: ccp - fix resource leaks in ccp_run_aes_gcm_cmd() (CVE-2021-3744)  * kernel: possible use-after-free in bluetooth module (CVE-2021-3752)  * kernel: unaccounted ipc objects in Linux kernel lead to breaking memcg limits and DoS attacks (CVE-2021-3759)  * kernel: DoS in ccp_run_aes_gcm_cmd() function (CVE-2021-3764)  * kernel: sctp: Invalid chunks may be used to remotely remove existing associations (CVE-2021-3772)  * kernel: lack of port sanity checking in natd and netfilter leads to exploit of OpenVPN clients (CVE-2021-3773)  * kernel: possible leak or coruption of data residing on hugetlbfs (CVE-2021-4002)  * kernel: security regression for CVE-2018-13405 (CVE-2021-4037)  * kernel: Buffer overwrite in decode_nfs_fh function (CVE-2021-4157)  * kernel: cgroup: Use open-time creds and namespace for migration perm checks (CVE-2021-4197)  * kernel: Race condition in races in sk_peer_pid and sk_peer_cred accesses (CVE-2021-4203)  * kernel: new DNS Cache Poisoning Attack based on ICMP fragment needed packets replies (CVE-2021-20322)  * kernel: arm: SIGPAGE information disclosure vulnerability (CVE-2021-21781)  * hw: cpu: LFENCE/JMP Mitigation Update for CVE-2017-5715 (CVE-2021-26401)  * kernel: Local privilege escalation due to incorrect BPF JIT branch displacement computation (CVE-2021-29154)  * kernel: use-after-free in hso_free_net_device() in drivers/net/usb/hso.c (CVE-2021-37159)  * kernel: eBPF multiplication integer overflow in prealloc_elems_and_freelist() in kernel/bpf/stackmap.c leads to out-of-bounds write (CVE-2021-41864)  * kernel: Heap buffer overflow in firedtv driver (CVE-2021-42739)  * kernel: ppc: kvm: allows a malicious KVM guest to crash the host (CVE-2021-43056)  * kernel: an array-index-out-bounds in detach_capi_ctr in drivers/isdn/capi/kcapi.c (CVE-2021-43389)  * kernel: mwifiex_usb_recv() in drivers/net/wireless/marvell/mwifiex/usb.c allows an attacker to cause DoS via crafted USB device (CVE-2021-43976)  * kernel: use-after-free in the TEE subsystem (CVE-2021-44733)  * kernel: information leak in the IPv6 implementation (CVE-2021-45485)  * kernel: information leak in the IPv4 implementation (CVE-2021-45486)  * hw: cpu: intel: Branch History Injection (BHI) (CVE-2022-0001)  * hw: cpu: intel: Intra-Mode BTI (CVE-2022-0002)  * kernel: Local denial of service in bond_ipsec_add_sa (CVE-2022-0286)  * kernel: DoS in sctp_addto_chunk in net/sctp/sm_make_chunk.c (CVE-2022-0322)  * kernel: FUSE allows UAF reads of write() buffers, allowing theft of (partial) /etc/shadow hashes (CVE-2022-1011)  * kernel: use-after-free in nouveau kernel module (CVE-2020-27820)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | bpftool almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | bpftool ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel rocky 8 | 0:4.18.0-372.9.1.el8 | [RLSA-2022:1988](https://patchblox.com/security/data/fix/linux/rlsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-abi-stablelists RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-abi-stablelists almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-abi-stablelists ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-core RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-core almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-core ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-cross-headers almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-cross-headers ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-debug RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-debug almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-debug ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-debug-core RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-debug-core almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-debug-core ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-debug-devel RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-debug-devel almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-debug-devel ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-debug-modules RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-debug-modules almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-debug-modules ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-debug-modules-extra RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-debug-modules-extra almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-debug-modules-extra ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-devel RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-devel almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-devel ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-doc RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-doc almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-doc ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-headers almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-headers ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-modules RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-modules almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-modules ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-modules-extra RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-modules-extra almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-modules-extra ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-rt RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | [RHSA-2022:1975](https://patchblox.com/security/data/fix/linux/rhsa-2022-1975.md) | May 10, 2022 |
| Linux | kernel-rt rocky 8 | 0:4.18.0-372.9.1.rt7.166.el8 | [RLSA-2022:1975](https://patchblox.com/security/data/fix/linux/rlsa-2022-1975.md) | May 10, 2022 |
| Linux | kernel-rt-core RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | [RHSA-2022:1975](https://patchblox.com/security/data/fix/linux/rhsa-2022-1975.md) | May 10, 2022 |
| Linux | kernel-rt-debug RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | [RHSA-2022:1975](https://patchblox.com/security/data/fix/linux/rhsa-2022-1975.md) | May 10, 2022 |
| Linux | kernel-rt-debug-core RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | [RHSA-2022:1975](https://patchblox.com/security/data/fix/linux/rhsa-2022-1975.md) | May 10, 2022 |
| Linux | kernel-rt-debug-devel RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | [RHSA-2022:1975](https://patchblox.com/security/data/fix/linux/rhsa-2022-1975.md) | May 10, 2022 |
| Linux | kernel-rt-debug-kvm RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | [RHSA-2022:1975](https://patchblox.com/security/data/fix/linux/rhsa-2022-1975.md) | May 10, 2022 |
| Linux | kernel-rt-debug-modules RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | [RHSA-2022:1975](https://patchblox.com/security/data/fix/linux/rhsa-2022-1975.md) | May 10, 2022 |
| Linux | kernel-rt-debug-modules-extra RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | [RHSA-2022:1975](https://patchblox.com/security/data/fix/linux/rhsa-2022-1975.md) | May 10, 2022 |
| Linux | kernel-rt-devel RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | [RHSA-2022:1975](https://patchblox.com/security/data/fix/linux/rhsa-2022-1975.md) | May 10, 2022 |
| Linux | kernel-rt-kvm RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | [RHSA-2022:1975](https://patchblox.com/security/data/fix/linux/rhsa-2022-1975.md) | May 10, 2022 |
| Linux | kernel-rt-modules RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | [RHSA-2022:1975](https://patchblox.com/security/data/fix/linux/rhsa-2022-1975.md) | May 10, 2022 |
| Linux | kernel-rt-modules-extra RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | [RHSA-2022:1975](https://patchblox.com/security/data/fix/linux/rhsa-2022-1975.md) | May 10, 2022 |
| Linux | kernel-tools RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-tools almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-tools ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-tools-libs RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-tools-libs almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-tools-libs ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-tools-libs-devel RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-tools-libs-devel almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-tools-libs-devel ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | kernel-uek ol 8 | 0:5.4.17-2136.304.4.1.el8uek | [ELSA-2022-9147](https://patchblox.com/security/data/fix/linux/elsa-2022-9147.md) | Feb 14, 2022 |
| Linux | kernel-uek-container ol 8 | 0:5.4.17-2136.304.4.1.el8 | [ELSA-2022-9148](https://patchblox.com/security/data/fix/linux/elsa-2022-9148.md) | Feb 14, 2022 |
| Linux | kernel-uek-container-debug ol 8 | 0:5.4.17-2136.304.4.1.el8 | [ELSA-2022-9148](https://patchblox.com/security/data/fix/linux/elsa-2022-9148.md) | Feb 14, 2022 |
| Linux | kernel-uek-debug ol 8 | 0:5.4.17-2136.304.4.1.el8uek | [ELSA-2022-9147](https://patchblox.com/security/data/fix/linux/elsa-2022-9147.md) | Feb 14, 2022 |
| Linux | kernel-uek-debug-devel ol 8 | 0:5.4.17-2136.304.4.1.el8uek | [ELSA-2022-9147](https://patchblox.com/security/data/fix/linux/elsa-2022-9147.md) | Feb 14, 2022 |
| Linux | kernel-uek-devel ol 8 | 0:5.4.17-2136.304.4.1.el8uek | [ELSA-2022-9147](https://patchblox.com/security/data/fix/linux/elsa-2022-9147.md) | Feb 14, 2022 |
| Linux | kernel-uek-doc ol 8 | 0:5.4.17-2136.304.4.1.el8uek | [ELSA-2022-9147](https://patchblox.com/security/data/fix/linux/elsa-2022-9147.md) | Feb 14, 2022 |
| Linux | kernel-uek-tools ol 8 | 0:5.4.17-2136.304.4.1.el7uek | [ELSA-2022-9147](https://patchblox.com/security/data/fix/linux/elsa-2022-9147.md) | Feb 14, 2022 |
| Linux | kernel-uek-tools-libs ol 8 | 0:5.4.17-2136.304.4.1.el7uek | [ELSA-2022-9147](https://patchblox.com/security/data/fix/linux/elsa-2022-9147.md) | Feb 14, 2022 |
| Linux | kernel-zfcpdump RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-zfcpdump-core RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-zfcpdump-devel RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-zfcpdump-modules RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | kernel-zfcpdump-modules-extra RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | linux Debian 12.15 (bookworm) | 5.15.3-1 | [DEBIAN-CVE-2021-3752](https://patchblox.com/security/data/fix/linux/debian-cve-2021-3752.md) | Feb 16, 2022 |
| Linux | linux Debian 13.5 (trixie) | 5.15.3-1 | [DEBIAN-CVE-2021-3752](https://patchblox.com/security/data/fix/linux/debian-cve-2021-3752.md) | Feb 16, 2022 |
| Linux | linux Debian 14 | 5.15.3-1 | [DEBIAN-CVE-2021-3752](https://patchblox.com/security/data/fix/linux/debian-cve-2021-3752.md) | Feb 16, 2022 |
| Linux | perf RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | perf almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | perf ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |
| Linux | python-perf ol 8 | 0:5.4.17-2136.304.4.1.el7uek | [ELSA-2022-9147](https://patchblox.com/security/data/fix/linux/elsa-2022-9147.md) | Feb 14, 2022 |
| Linux | python3-perf RHEL 8 | 0:4.18.0-372.9.1.el8 | [RHSA-2022:1988](https://patchblox.com/security/data/fix/linux/rhsa-2022-1988.md) | May 10, 2022 |
| Linux | python3-perf almalinux 8 | 4.18.0-372.9.1.el8 | [ALSA-2022:1988](https://patchblox.com/security/data/fix/linux/alsa-2022-1988.md) | May 10, 2022 |
| Linux | python3-perf ol 8 | 0:4.18.0-372.9.1.el8 | [ELSA-2022-1988](https://patchblox.com/security/data/fix/linux/elsa-2022-1988.md) | May 17, 2022 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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