Vulnerabilities CVE-2022-49770

CVE-2022-49770

Critical

Open

TLP:CLEAR

ceph: avoid putting the realm twice when decoding snaps fails

NVD CVE.org

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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.

Details

CVSS Score: 9.8
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence: 90%
Published: May 1, 2025
Last Modified: Aug 15, 2026

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