5.5

CVE-2022-2318: debian debian_linux Use After Free

Modified
AliasesUBUNTU-CVE-2022-2318DEBIAN-CVE-2022-2318
Published 06-07-2022Last modified 03-08-2024

Vulnerability summary

CVE-2022-2318 is a medium (CVSS 5.5) Use After Free vulnerability in debian debian_linux. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 36.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.42%
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 45 · Related 41

Timeline

  1. 06-07-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

0.42%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.43% 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.

Ubuntu83 products
  • linuxAll versions (No fix recorded) | < 4.4.0-239.273 | < 4.15.0-194.205 | < 5.4.0-128.144 | < 5.15.0-48.54
  • linux-aws< 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1142.154 | < 5.4.0-1086.93 | < 5.15.0-1020.24
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
Netapp5 products
Debian2 products
Linux1 product
  • linux_kernel< 5.19 | 5.19:rc1 | 5.19:rc2 | 5.19:rc3 | 5.19:rc4

4 vendors · 91 products

References

34 links
Show all 34 references