CVE-2022-49770

high

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

https://git.kernel.org/stable/c/fd879c83e87735ab8f00ef7755752cf0cbae24b2

https://git.kernel.org/stable/c/cb7495fe957526555782ce0723f79ce92a6db22e

https://git.kernel.org/stable/c/51884d153f7ec85e18d607b2467820a90e0f4359

https://git.kernel.org/stable/c/2f6e2de3a5289004650118b61f138fe7c28e1905

https://git.kernel.org/stable/c/274e4c79a3a2a24fba7cfe0e41113f1138785c37

https://git.kernel.org/stable/c/044bc6d3c2c0e9090b0841e7b723875756534b45

Details

Source: Mitre, NVD

Published: 2025-05-01

Updated: 2025-05-02

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Severity: High

EPSS

EPSS: 0.00024