CVE-2022-50007

MEDIUM EPSS 10.6%
Published Jun 18, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jun 18, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix refcount leak in __xfrm_policy_check() The issue happens on an error path in __xfrm_policy_check(). When the fetching process of the object `pols[1]` fails, the function simply returns 0, forgetting to decrement the reference count of `pols[0]`, which is incremented earlier by either xfrm_sk_policy_lookup() or xfrm_policy_lookup(). This may result in memory leaks. Fix it by decreasing the reference count of `pols[0]` in that path.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
10.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 15

VendorProductVersionRange
linuxlinux_kernel*≥2.6.20  –  <4.9.327
linuxlinux_kernel*≥4.10  –  <4.14.292
linuxlinux_kernel*≥4.15  –  <4.19.257
linuxlinux_kernel*≥4.20  –  <5.4.212
linuxlinux_kernel*≥5.5  –  <5.10.140
linuxlinux_kernel*≥5.11  –  <5.15.64
linuxlinux_kernel*≥5.16  –  <5.19.6
linuxlinux_kernel2.6.19any
linuxlinux_kernel2.6.19any
linuxlinux_kernel2.6.19any
linuxlinux_kernel2.6.19any
linuxlinux_kernel2.6.19any
linuxlinux_kernel2.6.19any
linuxlinux_kernel6.0any
linuxlinux_kernel6.0any

References 8

  • git.kernel.org https://git.kernel.org/stable/c/0769491a8acd3e85ca4c3f65080eac2c824262df
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/1305d7d4f35ca6f214a2d23b075aa6a924cff3be
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/18e6b6e2555c93f5ca09f2b85ef1fa025c8accea
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/26ad2398fe4984f4f6f930bcb3bc9047fa77265b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/63da7a2bbf3f28094920e0b8a17d2571a9bd842d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8f94b933103ee1bda119543369cc18a1be5536db
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9c9cb23e00ddf45679b21b4dacc11d1ae7961ebe
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d66c052879791313f90c0584420f196a038fb8b8
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/0769491a8acd3e85ca4c3f65080eac2c824262df
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/1305d7d4f35ca6f214a2d23b075aa6a924cff3be
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/18e6b6e2555c93f5ca09f2b85ef1fa025c8accea
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/26ad2398fe4984f4f6f930bcb3bc9047fa77265b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/63da7a2bbf3f28094920e0b8a17d2571a9bd842d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8f94b933103ee1bda119543369cc18a1be5536db
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9c9cb23e00ddf45679b21b4dacc11d1ae7961ebe
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d66c052879791313f90c0584420f196a038fb8b8
    Patch