7.1

CVE-2022-49145: ACPI: CPPC: Avoid out of bounds access when parsing _CPC data

Analyzed
AliasesUBUNTU-CVE-2022-49145DEBIAN-CVE-2022-49145
Published 26-02-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-49145 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 7
RHSA-2022:7683RHSA-2022:8267SUSE-SU-2025:01983-1SUSE-SU-2025:1027-1SUSE-SU-2025:1176-1SUSE-SU-2025:1183-1

Timeline

  1. 26-02-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Avoid out of bounds access when parsing _CPC data If the NumEntries field in the _CPC return package is less than 2, do not attempt to access the "Revision" element of that package, because it may not be present then. BugLink: https://lore.kernel.org/lkml/20220322143534.GC32582@xsang-OptiPlex-9020/

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

21%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.28% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu106 products
  • linuxAll versions (No fix recorded) | < 4.15.0-189.200 | < 5.4.0-117.132 | < 5.15.0-37.39
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1137.148 | < 5.4.0-1078.84 | < 5.15.0-1011.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 337aadff8e4567e39669e07d9a88b789d78458b5, < b3f15609ffa521de12244cd6af24002030dda3f5 | ≥ 337aadff8e4567e39669e07d9a88b789d78458b5, < d208ea44e25b31db5a4d5e8c31df51787a3e9303 | ≥ 337aadff8e4567e39669e07d9a88b789d78458b5, < 28d5387c1994f5e1e0d41b30a1f3dd6e1f609252 | ≥ 337aadff8e4567e39669e07d9a88b789d78458b5, < cb249f8c00f40dba83b7da8207ac14ca46e9ec9e | ≥ 337aadff8e4567e39669e07d9a88b789d78458b5, < e5b681822cac1f8093759b02e16c06b2c64b6788 | ≥ 337aadff8e4567e39669e07d9a88b789d78458b5, < 97b5593fd1b182b3fdb180b6bbe64ec09669988b | ≥ 337aadff8e4567e39669e07d9a88b789d78458b5, < b80b19b32a432c9eee1cd200ef7aaddf608f54d1 | ≥ 337aadff8e4567e39669e07d9a88b789d78458b5, < d7339f2a3938fb56b5f28d53f5345900b5fa0e74 | ≥ 337aadff8e4567e39669e07d9a88b789d78458b5, < 40d8abf364bcab23bc715a9221a3c8623956257b | 4.4
  • linux_kernel≥ 4.4, < 4.9.311 | ≥ 4.10, < 4.14.276 | ≥ 4.15, < 4.19.238 | ≥ 4.20, < 5.4.189 | ≥ 5.5, < 5.10.110 | ≥ 5.11, < 5.15.33 | ≥ 5.16, < 5.16.19 | ≥ 5.17, < 5.17.2
Debian1 product
  • linux< 5.17.3-1

3 vendors · 109 products

References

13 links
Show all 13 references