# CVE-2021-4155: kernel-tools-libs-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: x...

CVE-2021-4155 is fixed in 51 products on 1 platform, first by ELSA-2022-9012, released January 10, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-4155
- Priority: High
- CVSS: 7.8 (important)
- EPSS: 0.0030
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 10, 2022

## Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL (CVE-2021-4155)  * kernel: fs_context: heap overflow in legacy parameter handling (CVE-2022-0185)  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.  Bug Fix(es):  * kernel show “ BUG: scheduling while atomic:xxx“ and reboot when an uncorrectable memory error injection on AlmaLinux8.4 beta and GA (BZ#2008789)  * tcp: Sockets can be orphaned in the FIN-WAIT-1 or CLOSING states. (BZ#2021574)  * Hostnetwork pod to service backed by hostnetwork on the same node is not working with OVN Kubernetes (BZ#2024411)  * ice: bug fixes for kernel crashes (BZ#2026698)  * [AlmaLinux-8.6][SanityOnly] Backport leftover migrate_disable BPF related change (BZ#2027689)  * xfs: I_DONTCACHE flag is ignored [xfstests: xfs/177] (BZ#2028534)  * FIPS: deadlock between PID 1 and "modprobe crypto-jitterentropy_rng" at boot, preventing system to boot (BZ#2029365)  * AlmaLinux8.6: Backport upstream RCU commits up to v5.12 (BZ#2029449)  * i40e,ixgbe: revert XDP partial backport from kernel 5.13 (BZ#2029845)  * spec: Support separate tools build (BZ#2031053)  * RCU stall WARNING: at kernel/rcu/tree.c:1392 rcu_advance_cbs_nowake+0x51/0x60 (BZ#2032579)  * block: update to upstream v5.14 (BZ#2034396)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | bpftool ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel rocky 8 | 0:4.18.0-348.12.2.el8_5 | [RLSA-2022:0188](https://patchblox.com/security/data/fix/linux/rlsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-abi-stablelists RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-abi-stablelists ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-core RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-core ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-cross-headers ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-debug RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-debug ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-debug-core RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-debug-core ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-debug-devel RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-debug-devel ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-debug-modules RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-debug-modules ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-debug-modules-extra RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-debug-modules-extra ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-devel RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-devel ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-doc ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-headers ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-modules RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-modules ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-modules-extra RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-modules-extra ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-rt RHEL 8 | 0:4.18.0-348.12.2.rt7.143.el8_5 | [RHSA-2022:0176](https://patchblox.com/security/data/fix/linux/rhsa-2022-0176.md) | Jan 19, 2022 |
| Linux | kernel-rt rocky 8 | 0:4.18.0-348.12.2.rt7.143.el8_5 | [RLSA-2022:0176](https://patchblox.com/security/data/fix/linux/rlsa-2022-0176.md) | Jan 19, 2022 |
| Linux | kernel-rt-core RHEL 8 | 0:4.18.0-348.12.2.rt7.143.el8_5 | [RHSA-2022:0176](https://patchblox.com/security/data/fix/linux/rhsa-2022-0176.md) | Jan 19, 2022 |
| Linux | kernel-rt-debug RHEL 8 | 0:4.18.0-348.12.2.rt7.143.el8_5 | [RHSA-2022:0176](https://patchblox.com/security/data/fix/linux/rhsa-2022-0176.md) | Jan 19, 2022 |
| Linux | kernel-rt-debug-core RHEL 8 | 0:4.18.0-348.12.2.rt7.143.el8_5 | [RHSA-2022:0176](https://patchblox.com/security/data/fix/linux/rhsa-2022-0176.md) | Jan 19, 2022 |
| Linux | kernel-rt-debug-devel RHEL 8 | 0:4.18.0-348.12.2.rt7.143.el8_5 | [RHSA-2022:0176](https://patchblox.com/security/data/fix/linux/rhsa-2022-0176.md) | Jan 19, 2022 |
| Linux | kernel-rt-debug-kvm RHEL 8 | 0:4.18.0-348.12.2.rt7.143.el8_5 | [RHSA-2022:0176](https://patchblox.com/security/data/fix/linux/rhsa-2022-0176.md) | Jan 19, 2022 |
| Linux | kernel-rt-debug-modules RHEL 8 | 0:4.18.0-348.12.2.rt7.143.el8_5 | [RHSA-2022:0176](https://patchblox.com/security/data/fix/linux/rhsa-2022-0176.md) | Jan 19, 2022 |
| Linux | kernel-rt-debug-modules-extra RHEL 8 | 0:4.18.0-348.12.2.rt7.143.el8_5 | [RHSA-2022:0176](https://patchblox.com/security/data/fix/linux/rhsa-2022-0176.md) | Jan 19, 2022 |
| Linux | kernel-rt-devel RHEL 8 | 0:4.18.0-348.12.2.rt7.143.el8_5 | [RHSA-2022:0176](https://patchblox.com/security/data/fix/linux/rhsa-2022-0176.md) | Jan 19, 2022 |
| Linux | kernel-rt-kvm RHEL 8 | 0:4.18.0-348.12.2.rt7.143.el8_5 | [RHSA-2022:0176](https://patchblox.com/security/data/fix/linux/rhsa-2022-0176.md) | Jan 19, 2022 |
| Linux | kernel-rt-modules RHEL 8 | 0:4.18.0-348.12.2.rt7.143.el8_5 | [RHSA-2022:0176](https://patchblox.com/security/data/fix/linux/rhsa-2022-0176.md) | Jan 19, 2022 |
| Linux | kernel-rt-modules-extra RHEL 8 | 0:4.18.0-348.12.2.rt7.143.el8_5 | [RHSA-2022:0176](https://patchblox.com/security/data/fix/linux/rhsa-2022-0176.md) | Jan 19, 2022 |
| Linux | kernel-tools RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-tools ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-tools-libs RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-tools-libs ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-tools-libs-devel RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-tools-libs-devel almalinux 8 | 4.18.0-348.12.2.el8_5 | [ALSA-2022:0188](https://patchblox.com/security/data/fix/linux/alsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-tools-libs-devel ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |
| Linux | kernel-uek ol 8 | 0:5.4.17-2136.302.7.2.el8uek | [ELSA-2022-9012](https://patchblox.com/security/data/fix/linux/elsa-2022-9012.md) | Jan 10, 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 | 0:5.4.17-2136.302.7.2.el8uek | [ELSA-2022-9012](https://patchblox.com/security/data/fix/linux/elsa-2022-9012.md) | Jan 10, 2022 |
| Linux | kernel-uek-debug-devel ol 8 | 0:5.4.17-2136.302.7.2.el8uek | [ELSA-2022-9012](https://patchblox.com/security/data/fix/linux/elsa-2022-9012.md) | Jan 10, 2022 |
| Linux | kernel-uek-devel ol 8 | 0:5.4.17-2136.302.7.2.el8uek | [ELSA-2022-9012](https://patchblox.com/security/data/fix/linux/elsa-2022-9012.md) | Jan 10, 2022 |
| Linux | kernel-uek-doc ol 8 | 0:5.4.17-2136.302.7.2.el8uek | [ELSA-2022-9012](https://patchblox.com/security/data/fix/linux/elsa-2022-9012.md) | Jan 10, 2022 |
| Linux | kernel-uek-tools ol 8 | 0:5.4.17-2136.302.7.2.el7uek | [ELSA-2022-9012](https://patchblox.com/security/data/fix/linux/elsa-2022-9012.md) | Jan 10, 2022 |
| Linux | kernel-uek-tools-libs ol 8 | 0:5.4.17-2136.302.7.2.el7uek | [ELSA-2022-9012](https://patchblox.com/security/data/fix/linux/elsa-2022-9012.md) | Jan 10, 2022 |
| Linux | kernel-zfcpdump RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-zfcpdump-core RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-zfcpdump-devel RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-zfcpdump-modules RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kernel-zfcpdump-modules-extra RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | kpatch-patch-4_18_0-348 RHEL 8 | 0:1-2.el8 | [RHSA-2022:0232](https://patchblox.com/security/data/fix/linux/rhsa-2022-0232.md) | Jan 24, 2022 |
| Linux | kpatch-patch-4_18_0-348_2_1 RHEL 8 | 0:1-1.el8_5 | [RHSA-2022:0232](https://patchblox.com/security/data/fix/linux/rhsa-2022-0232.md) | Jan 24, 2022 |
| Linux | kpatch-patch-4_18_0-348_7_1 RHEL 8 | 0:1-1.el8_5 | [RHSA-2022:0232](https://patchblox.com/security/data/fix/linux/rhsa-2022-0232.md) | Jan 24, 2022 |
| Linux | linux Debian 12.15 (bookworm) | 5.15.15-1 | [DEBIAN-CVE-2021-4155](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4155.md) | Aug 24, 2022 |
| Linux | linux Debian 13.5 (trixie) | 5.15.15-1 | [DEBIAN-CVE-2021-4155](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4155.md) | Aug 24, 2022 |
| Linux | linux Debian 14 | 5.15.15-1 | [DEBIAN-CVE-2021-4155](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4155.md) | Aug 24, 2022 |
| Linux | perf RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | perf ol 8 | 0:5.4.17-2136.302.7.2.el7uek | [ELSA-2022-9012](https://patchblox.com/security/data/fix/linux/elsa-2022-9012.md) | Jan 10, 2022 |
| Linux | python-perf ol 8 | 0:5.4.17-2136.302.7.2.el7uek | [ELSA-2022-9012](https://patchblox.com/security/data/fix/linux/elsa-2022-9012.md) | Jan 10, 2022 |
| Linux | python3-perf RHEL 8 | 0:4.18.0-348.12.2.el8_5 | [RHSA-2022:0188](https://patchblox.com/security/data/fix/linux/rhsa-2022-0188.md) | Jan 19, 2022 |
| Linux | python3-perf ol 8 | 0:4.18.0-348.12.2.el8_5 | [ELSA-2022-0188](https://patchblox.com/security/data/fix/linux/elsa-2022-0188.md) | Jan 21, 2022 |

---

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