# CVE-2022-49691: bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have be... CVE-2022-49691 is fixed in 27 products on 1 platform, first by RHSA-2022:8267, released November 15, 2022. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2022-49691 - Priority: Routine - CVSS: 5.5 (Important) - EPSS: 0.0028 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Nov 15, 2022 ## Description The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have been upgraded to a later upstream version: kernel (4.18.0). (BZ#2122230, BZ#2122267) Security Fix(es): * use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564) * net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461) * hw: cpu: AMD CPUs may transiently execute beyond unconditional direct branch (CVE-2021-26341) * malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory (CVE-2021-33655) * when setting font with malicious data by ioctl PIO_FONT, kernel will write memory out of bounds (CVE-2021-33656) * possible race condition in drivers/tty/tty_buffers.c (CVE-2022-1462) * use-after-free in ath9k_htc_probe_device() could cause an escalation of privileges (CVE-2022-1679) * KVM: NULL pointer dereference in kvm_mmu_invpcid_gva (CVE-2022-1789) * KVM: nVMX: missing IBPB when exiting from nested guest can lead to Spectre v2 attacks (CVE-2022-2196) * netfilter: nf_conntrack_irc message handling issue (CVE-2022-2663) * race condition in xfrm_probe_algs can lead to OOB read/write (CVE-2022-3028) * media: em28xx: initialize refcount before kref_get (CVE-2022-3239) * race condition in hugetlb_no_page() in mm/hugetlb.c (CVE-2022-3522) * memory leak in ipv6_renew_options() (CVE-2022-3524) * data races around icsk->icsk_af_ops in do_ipv6_setsockopt (CVE-2022-3566) * data races around sk->sk_prot (CVE-2022-3567) * memory leak in l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c (CVE-2022-3619) * denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry (CVE-2022-3623) * use-after-free after failed devlink reload in devlink_param_get (CVE-2022-3625) * USB-accessible buffer overflow in brcmfmac (CVE-2022-3628) * Double-free in split_2MB_gtt_entry when function intel_gvt_dma_map_guest_page failed (CVE-2022-3707) * l2tp: missing lock when clearing sk_user_data can lead to NULL pointer dereference (CVE-2022-4129) * igmp: use-after-free in ip_check_mc_rcu when opening and closing inet sockets (CVE-2022-20141) * Executable Space Protection Bypass (CVE-2022-25265) * Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option (CVE-2022-30594) * unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry (CVE-2022-39188) * TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading to guest malfunctioning (CVE-2022-39189) * Report vmalloc UAF in dvb-core/dmxdev (CVE-2022-41218) * u8 overflow problem in cfg80211_update_notlisted_nontrans() (CVE-2022-41674) * use-after-free related to leaf anon_vma double reuse (CVE-2022-42703) * use-after-free in bss_ref_get in net/wireless/scan.c (CVE-2022-42720) * BSS list corruption in cfg80211_add_nontrans_list in net/wireless/scan.c (CVE-2022-42721) * Denial of service in beacon protection for P2P-device (CVE-2022-42722) * memory corruption in usbmon driver (CVE-2022-43750) * NULL pointer dereference in traffic control subsystem (CVE-2022-47929) * NULL pointer dereference in rawv6_push_pending_frames (CVE-2023-0394) * use-after-free caused by invalid pointer hostname in fs/cifs/connect.c (CVE-2023-1195) * Soft lockup occurred during __page_mapcount (CVE-2023-1582) * slab-out-of-bounds read vulnerabilities in cbq_classify (CVE-2023-23454) 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 8.8 Release Notes linked from the References section. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | bpftool RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | bpftool RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-abi-stablelists RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-abi-stablelists RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-core RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-core RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-debug RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-debug RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-debug-core RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-debug-core RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-debug-devel RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-debug-devel RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-debug-devel-matched RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-debug-modules RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-debug-modules RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-debug-modules-extra RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-debug-modules-extra RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-devel RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-devel RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-devel-matched RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-doc RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-doc RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-modules RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-modules RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-modules-extra RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-modules-extra RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-tools RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-tools RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-tools-libs RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-tools-libs RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-tools-libs-devel RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-tools-libs-devel RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-zfcpdump RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-zfcpdump RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-zfcpdump-core RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-zfcpdump-core RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-zfcpdump-devel RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-zfcpdump-devel RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-zfcpdump-devel-matched RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-zfcpdump-modules RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-zfcpdump-modules RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | kernel-zfcpdump-modules-extra RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | kernel-zfcpdump-modules-extra RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | linux Debian 12.15 (bookworm) | 5.18.14-1 | [DEBIAN-CVE-2022-49691](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49691.md) | Feb 26, 2025 | | Linux | linux Debian 13.5 (trixie) | 5.18.14-1 | [DEBIAN-CVE-2022-49691](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49691.md) | Feb 26, 2025 | | Linux | linux Debian 14 | 5.18.14-1 | [DEBIAN-CVE-2022-49691](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49691.md) | Feb 26, 2025 | | Linux | perf RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | perf RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | | Linux | python3-perf RHEL 8 | 0:4.18.0-477.10.1.el8_8 | [RHSA-2023:2951](https://patchblox.com/security/data/fix/linux/rhsa-2023-2951.md) | May 16, 2023 | | Linux | python3-perf RHEL 9 | 0:5.14.0-162.6.1.el9_1 | [RHSA-2022:8267](https://patchblox.com/security/data/fix/linux/rhsa-2022-8267.md) | Nov 15, 2022 | --- Data as of 2026-11-08T19:12:23Z UTC. 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