Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2022-49770

Severity CVSS v4.0:
Pending analysis
Type:
CWE-416 Use After Free
Publication date:
01/05/2025
Last modified:
06/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> ceph: avoid putting the realm twice when decoding snaps fails<br /> <br /> When decoding the snaps fails it maybe leaving the &amp;#39;first_realm&amp;#39;<br /> and &amp;#39;realm&amp;#39; pointing to the same snaprealm memory. And then it&amp;#39;ll<br /> put it twice and could cause random use-after-free, BUG_ON, etc<br /> issues.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 2.6.35 (including) 4.19.268 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.20 (including) 5.4.226 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.5 (including) 5.10.157 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11 (including) 5.15.81 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.16 (including) 6.0.10 (excluding)
cpe:2.3:o:linux:linux_kernel:2.6.34:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.34:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.34:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.34:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.34:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.34:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.34:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools