CVE-2022-36879 — Improper Update of Reference Count in Kernel

CWE-911 — Improper Update of Reference Count21 documents8 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 93.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Linux KernelNetapp E-series Santricity OS ControllerDebian Linux
Timeline
PublishedJul 27
Latest updateApr 12

Description

An issue was discovered in the Linux kernel through 5.18.14. xfrm_expand_policies in net/xfrm/xfrm_policy.c can cause a refcount to be dropped twice.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶Debianlinux/linux_kernel< 5.10.136-1+3
▶NVDlinux/linux_kernel5.18.14

Also affects: Debian Linux 10.0, 11.0

Patches

Patch: git.kernel.org ↗Patch: github.com ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-wwxv-fc92-xrw3: An issue was discovered in the Linux kernel through 5↗2022-07-28
▶
CVEList
CVE-2022-36879: An issue was discovered in the Linux kernel through 5↗2022-07-27
▶
OSV
CVE-2022-36879: An issue was discovered in the Linux kernel through 5↗2022-07-27
▶

📋Vendor Advisories

17
Ubuntu
Linux kernel (AWS) vulnerabilities↗2023-04-12
▶
Ubuntu
Linux kernel vulnerabilities↗2023-04-12
▶
Ubuntu
Linux kernel (AWS) vulnerabilities↗2023-04-06
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2023-03-03
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2022-12-12
▶
CVE-2022-36879 — Improper Update of Reference Count | cvebase