CVE-2022-49770

HighCVSS 7.8/10Last modified Aug 15, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

VendorProductVersions
LinuxLinux>= 982d6011bc30a26e8a3d546e0e7fc7db2c255d85, < 274e4c79a3a2a24fba7cfe0e41113f1138785c37; >= 982d6011bc30a26e8a3d546e0e7fc7db2c255d85, < cb7495fe957526555782ce0723f79ce92a6db22e; >= 982d6011bc30a26e8a3d546e0e7fc7db2c255d85, < 044bc6d3c2c0e9090b0841e7b723875756534b45; >= 982d6011bc30a26e8a3d546e0e7fc7db2c255d85, < 2f6e2de3a5289004650118b61f138fe7c28e1905; >= 982d6011bc30a26e8a3d546e0e7fc7db2c255d85, < fd879c83e87735ab8f00ef7755752cf0cbae24b2; >= 982d6011bc30a26e8a3d546e0e7fc7db2c255d85, < 51884d153f7ec85e18d607b2467820a90e0f4359
LinuxLinux4.0

References

Timeline

Published
May 1, 2025
Last modified
Aug 15, 2026
NVD status
Modified

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CVE-2022-49770: High severity, CVSS 7.8 | Vulnix