CVE-2022-49643

ima: Fix a potential integer overflow in ima_appraise_measurement

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:23 AM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
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 a potential integer overflow in ima_appraise_measurement When the ima-modsig is enabled, the rc passed to evm_verifyxattr() may be negative, which may cause the integer overflow problem.

Affected

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

5.11 ≤ v < 5.15.565.16 ≤ v < 5.18.135.4 ≤ v < 5.10.1325.4 ≤ v < 5.15.565.4 ≤ v < 5.18.135.4 ≤ v < 5.195.4 ≤ v < 5.4.2075.5 ≤ v < 5.10.13239b07096364a42c516415d5f841069e885234e615.19 rc15.19 rc25.19 rc35.19 rc45.19 rc55.19 rc6
Vendor states this is fixed in 388f3df7c3c8b7f2a32b9ae0a9b2f9f6ad3b1b77 (fixed)
Vendor states this is fixed in 640cea4c2839a821adfbb703b590a5928abe9286 (fixed)
Vendor states this is fixed in 831e190175f10652be93b08436cc7bf2e62e4bb6 (fixed)
Vendor states this is fixed in c8d5d81940938b5f6c0f495ca9538e7740416f30 (fixed)
Vendor states this is fixed in d2ee2cfc4aa85ff6a2a3b198a3a524ec54e3d999 (fixed)
Vendor states this is fixed in 5.10.132 (unaffected)
Vendor states this is fixed in 5.15.56 (unaffected)
Vendor states this is fixed in 5.18.13 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)
Vendor states this is fixed in 5.4 (unaffected)
Vendor states this is fixed in 5.4.207 (unaffected)

References (5)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/388f3df7c3c8b7f2a32b9ae0a9b2f9f6ad3b1b77
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/640cea4c2839a821adfbb703b590a5928abe9286
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/831e190175f10652be93b08436cc7bf2e62e4bb6
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c8d5d81940938b5f6c0f495ca9538e7740416f30
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d2ee2cfc4aa85ff6a2a3b198a3a524ec54e3d999

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card