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CVE-2022-48831

ima: fix reference leak in asymmetric_verify()

MEDIUM
5.5
CVSS Score
Published: July 16, 2024 at 11:44 AM UTC
Updated: June 17, 2026 at 05:16 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: ima: fix reference leak in asymmetric_verify() Don't leak a reference to the key if its algorithm is unknown.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.13 ≤ v < 5.15.245.13 ≤ v < 5.16.105.13 ≤ v < 5.175.16 ≤ v < 5.16.105.135.17 rc15.17 rc25.17 rc3947d70597236dd5ae65c1f68c8eabfb962ee5a6b
Vendor states this is fixed in 0838d6d68182f0b28a5434bc6d50727c4757e35b (fixed)
Vendor states this is fixed in 89f586d3398f4cc0432ed870949dffb702940754 (fixed)
Vendor states this is fixed in 926fd9f23b27ca6587492c3f58f4c7f4cd01dad5 (fixed)
Vendor states this is fixed in 5.13 (unaffected)
Vendor states this is fixed in 5.15.24 (unaffected)
Vendor states this is fixed in 5.16.10 (unaffected)
Vendor states this is fixed in 5.17 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0838d6d68182f0b28a5434bc6d50727c4757e35b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/89f586d3398f4cc0432ed870949dffb702940754
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/926fd9f23b27ca6587492c3f58f4c7f4cd01dad5

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-Other

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