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

blk-cgroup: properly pin the parent in blkcg_css_online

CVE-2022-49786

Description

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

blkcg_css_online is supposed to pin the blkcg of the parent, but 397c9f46ee4d refactored things and along the way, changed it to pin the css instead. This results in extra pins, and we end up leaking blkcgs and cgroups.

Affected products

Linux/Linux Kernel Rtllm-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: 5.19

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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