CVE-2022-49770

HIGH EPSS 8.0%
Published May 1, 20251y ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published May 1, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
8.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 17

VendorProductVersionRange
linuxlinux_kernel*≥2.6.35  –  <4.19.268
linuxlinux_kernel*≥4.20  –  <5.4.226
linuxlinux_kernel*≥5.5  –  <5.10.157
linuxlinux_kernel*≥5.11  –  <5.15.81
linuxlinux_kernel*≥5.16  –  <6.0.10
linuxlinux_kernel2.6.34any
linuxlinux_kernel2.6.34any
linuxlinux_kernel2.6.34any
linuxlinux_kernel2.6.34any
linuxlinux_kernel2.6.34any
linuxlinux_kernel2.6.34any
linuxlinux_kernel2.6.34any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any

References 6

  • git.kernel.org https://git.kernel.org/stable/c/044bc6d3c2c0e9090b0841e7b723875756534b45
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/274e4c79a3a2a24fba7cfe0e41113f1138785c37
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2f6e2de3a5289004650118b61f138fe7c28e1905
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/51884d153f7ec85e18d607b2467820a90e0f4359
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cb7495fe957526555782ce0723f79ce92a6db22e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fd879c83e87735ab8f00ef7755752cf0cbae24b2
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/044bc6d3c2c0e9090b0841e7b723875756534b45
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/274e4c79a3a2a24fba7cfe0e41113f1138785c37
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2f6e2de3a5289004650118b61f138fe7c28e1905
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/51884d153f7ec85e18d607b2467820a90e0f4359
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cb7495fe957526555782ce0723f79ce92a6db22e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fd879c83e87735ab8f00ef7755752cf0cbae24b2
    Patch