7.8

CVE-2022-1998: fedoraproject fedora Use After Free

Modified
AliasesUBUNTU-CVE-2022-1998DEBIAN-CVE-2022-1998
Published 09-06-2022Last modified 03-08-2024

Vulnerability summary

CVE-2022-1998 is a high (CVSS 7.8) Use After Free vulnerability in fedoraproject fedora. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 26.9% 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
0.34%
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 4 · Related 2
RHSA-2022:7933RHSA-2022:8267SUSE-SU-2022:2520-1SUSE-SU-2022:2615-1

Timeline

  1. 09-06-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A use after free in the Linux kernel File System notify functionality was found in the way user triggers copy_info_records_to_user() call to fail in copy_event_to_user(). A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

27%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.33% 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.

Ubuntu38 products
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13< 5.13.0-1023.25~20.04.1
  • linux-aws-5.3All versions (No fix recorded)
  • linux-aws-5.8All versions (No fix recorded)
Netapp5 products
Debian1 product
  • linux< 5.16.7-1
Fedoraproject1 product
Linux1 product
  • linux_kernel≥ 5.10.46, < 5.10.97 | ≥ 5.12.12, < 5.15.20 | ≥ 5.16.0, < 5.16.6
Redhat1 product

6 vendors · 47 products

References

8 links