CVEvulnerability
CVE-2022-49770
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2025-05-01
- Last modified
- 2026-08-15
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
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.
Affected configurations
• linux linux kernel (>= 2.6.35 < 4.19.268)
• linux linux kernel (>= 4.20 < 5.4.226)
• linux linux kernel (>= 5.5 < 5.10.157)
• linux linux kernel (>= 5.11 < 5.15.81)
• linux linux kernel (>= 5.16 < 6.0.10)
• linux linux kernel 2.6.34
• linux linux kernel 6.1
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://git.kernel.org/stable/c/044bc6d3c2c0e9090b0841e7b723875756534b45 Patch
- https://git.kernel.org/stable/c/274e4c79a3a2a24fba7cfe0e41113f1138785c37 Patch
- https://git.kernel.org/stable/c/2f6e2de3a5289004650118b61f138fe7c28e1905 Patch
- https://git.kernel.org/stable/c/51884d153f7ec85e18d607b2467820a90e0f4359 Patch
- https://git.kernel.org/stable/c/cb7495fe957526555782ce0723f79ce92a6db22e Patch
- https://git.kernel.org/stable/c/fd879c83e87735ab8f00ef7755752cf0cbae24b2 Patch