CVE-2022-49770

HIGH

Linux Kernel Use-After-Free in Ceph Snaprealm Decoding

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: ceph: avoid putting the realm twice when decoding snaps fails When decoding the snaps fails it maybe leaving the 'first_realm' and 'realm' pointing to the same snaprealm memory. And then it'll put it twice and could cause random use-after-free, BUG_ON, etc issues.

References (6)

Core 6

Scores

CVSS v3 7.8
EPSS 0.0018
EPSS Percentile 8.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (22)
linux/Kernel 2.6.34 - 4.19.268linux
linux/Kernel 4.20.0 - 5.4.226linux
linux/Kernel 5.11.0 - 5.15.81linux
linux/Kernel 5.16.0 - 6.0.10linux
linux/Kernel 5.5.0 - 5.10.157linux
Linux/Linux < 2.6.34
Linux/Linux 2.6.34
Linux/Linux 4.19.268 - 4.19.*
Linux/Linux 5.10.157 - 5.10.*
Linux/Linux 5.15.81 - 5.15.*
... and 12 more
Published May 01, 2025
Tracked Since Feb 18, 2026