Unrated severityNVD Advisory· Published May 1, 2025· Updated May 4, 2025

rethook: fix a potential memleak in rethook_alloc()

CVE-2022-49795

Description

In the Linux kernel, the following vulnerability has been resolved:

In rethook_alloc(), the variable rh is not freed or passed out if handler is NULL, which could lead to a memleak, fix it.

[Masami: Add "rethook:" tag to the title.]

Acke-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>

Affected products

Linux/Kernelllm-fuzzy
osv-coords35 versions
pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5 pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_27&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS
< 5.14.21-150500.55.110.1+ 34 more
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1.150500.6.51.3
- (no CPE)range: < 5.14.21-150500.55.110.1.150500.6.51.3
- (no CPE)range: < 5.14.21-150500.55.110.1.150500.6.51.3
- (no CPE)range: < 5.14.21-150500.55.110.1.150500.6.51.3
- (no CPE)range: < 5.14.21-150500.55.110.1.150500.6.51.3
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 1-150500.11.7.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.13.97.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.13.97.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
- (no CPE)range: < 5.14.21-150500.55.110.1
Linux/Linuxcpe-rescue
Range: 5.18

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

News mentions

No linked articles in our index yet.

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