7.8

CVE-2022-1882: linux linux_kernel Use After Free

Modified
AliasesUBUNTU-CVE-2022-1882DEBIAN-CVE-2022-1882
Published 26-05-2022Last modified 14-10-2026

Vulnerability summary

CVE-2022-1882 is a high (CVSS 7.8) Use After Free vulnerability in linux linux_kernel. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 30.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.37%
0%100%
Low · +0.01 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 11 · Related 9
RHSA-2023:2148RHSA-2023:2458SUSE-SU-2022:3998-1SUSE-SU-2022:4035-1SUSE-SU-2022:4039-1SUSE-SU-2022:4072-1

Timeline

  1. 26-05-2022
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

A use-after-free flaw was found in the Linux kernel’s pipes functionality in how a user performs manipulations with the pipe post_one_notification() after free_pipe_info() that is already called. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.37%

Chance of exploitation in the next 30 days

Percentile

31%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.36% 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.

Ubuntu66 products
  • linux< 5.15.0-50.56
  • linux-aws< 5.15.0-1021.25
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
Netapp8 products
Debian1 product
  • linux< 5.18.16-1
Linux1 product
  • linux_kernel≥ 5.10.106, < 5.10.134 | ≥ 5.15.29, < 5.15.58 | ≥ 5.16.15, < 5.18.15

4 vendors · 76 products

References

15 links
Show all 15 references