CVE catalog

CVE-2022-49913

linux: CVE-2022-49913

Severity: Medium · CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published: Jan 1, 2022, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.20% · Oct 25, 2026

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix inode list leak during backref walking at find_parent_nodes() During backref walking, at find_parent_nodes(), if we are dealing with a data extent and we get an error while resolving the indirect backrefs, at resolve_indirect_refs(), or in the while loop that iterates over the refs in the direct refs rbtree, we end up leaking the inode lists attached to the direct refs we have in the direct refs rbtree that were not yet added to the refs ulist passed as argument to find_parent_nodes(). Since they were not yet added to the refs ulist and prelim_release() does not free the lists, on error the caller can only free the lists attached to the refs that were added to the refs ulist, all the remaining refs get their inode lists never freed, therefore leaking their memory. Fix this by having prelim_release() always free any attached inode list to each ref found in the rbtree, and have find_parent_nodes() set the ref's inode list to NULL once it transfers ownership of the inode list to a ref added to the refs ulist passed to find_parent_nodes().

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	linux	sid	`7.2.12-1`	fixed
Debian	linux	forky	`7.2.12-1`	fixed
Debian	linux	trixie	`6.12.107-1`	fixed
Debian	linux	trixie-security	`6.12.113-1`	fixed
Debian	linux	bookworm	`6.1.176-1`	fixed
Debian	linux	bookworm-security	`6.1.190-1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	linux	source	sid	`6.0.8-1`	not yet assigned	Not reported	Not reported
Debian	linux	source	forky	`6.0.8-1`	not yet assigned	Not reported	Not reported
Debian	linux	source	trixie	`6.0.8-1`	not yet assigned	Not reported	Not reported
Debian	linux	source	bookworm	`6.0.8-1`	not yet assigned	Not reported	Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[bpftool]Unknown
Source package: [linux]
Details (6)
- 7.1.0+6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 7.1.0+6.1.176-1 · arm64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 7.5.0+6.12.95-1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 7.5.0+6.12.95-1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 7.1.0+6.1.180-1 · amd64 · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 7.1.0+6.1.180-1 · arm64 · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[hyperv-daemons]Unknown
Source package: [linux]
Details (6)
- 6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · arm64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · amd64 · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · arm64 · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[intel-sdsi]Unknown
Source package: [linux]
Details (1)
- 6.12.95-1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[libcpupower1]Unknown
Source package: [linux]
Details (6)
- 6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · arm64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · amd64 · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · arm64 · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[libcpupower-dev]Unknown
Source package: [linux]
Details (6)
- 6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · arm64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · amd64 · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · arm64 · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-bpf-dev]Unknown
Source package: [linux]
Details (2)
- 6.12.95-1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-compiler-gcc-12-x86]Unknown
Source package: [linux]
Details (2)
- 6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · amd64 · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-config-6.1]Unknown
Source package: [linux]
Details (4)
- 6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · arm64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · amd64 · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · arm64 · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-cpupower]Unknown
Source package: [linux]
Details (6)
- 6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · arm64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · amd64 · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · arm64 · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-doc]Unknown
Source package: [linux]
Details (32)
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · all · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · all · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.43-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.43-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.57-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.57-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.63-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.63-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.69-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.69-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.73-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.73-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.74-2~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.74-2~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.85-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.85-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.86-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.86-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.88-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.88-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.90-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.90-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.90-2~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.90-2~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.94-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.94-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · all · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · all · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-doc-6.1]Unknown
Source package: [linux]
Details (6)
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · all · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · all · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · all · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · all · bookworm-security
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-amd64]Unknown
Source package: [linux]
Details (1)
- 6.1.170-3 · amd64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-arm64]Unknown
Source package: [linux]
Details (1)
- 6.1.170-3 · arm64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-cloud-amd64]Unknown
Source package: [linux]
Details (1)
- 6.1.170-3 · amd64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-cloud-arm64]Unknown
Source package: [linux]
Details (1)
- 6.1.170-3 · arm64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-common]Unknown
Source package: [linux]
Details (2)
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-common-rt]Unknown
Source package: [linux]
Details (2)
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-rt-amd64]Unknown
Source package: [linux]
Details (1)
- 6.1.170-3 · amd64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-rt-arm64]Unknown
Source package: [linux]
Details (1)
- 6.1.170-3 · arm64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-50-amd64]Unknown
Source package: [linux]
Details (1)
- 6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.0.8-1
  dsa · linux · debian · bookworm

Next results

Observed: Oct 26, 2026, 11:56:43 AM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]