7.8

CVE-2023-1118: linux linux_kernel Use After Free

Modified
AliasesSUSE-SU-2023:1972-1SUSE-SU-2023:1981-1UBUNTU-CVE-2023-1118
Published 02-03-2023Last modified 18-09-2026

Vulnerability summary

CVE-2023-1118 is a high (CVSS 7.8) Use After Free vulnerability in linux linux_kernel. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.6% 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 (CVE.org)
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 65 · Related 57
DLA-3403-1DLA-3404-1MGASA-2023-0148MGASA-2023-0149RHSA-2023:6901RHSA-2023:7077

Timeline

  1. 02-03-2023
    PublishedVulnerability first disclosed.
  2. 18-09-2026
    Last modifiedVulnerability information updated.

Description

A flaw use after free in the Linux kernel integrated infrared receiver/transceiver driver was found in the way user detaching rc device. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

CVSS metrics

4 scores · 4 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.

Ubuntu90 products
  • linuxAll versions (No fix recorded) | < 4.4.0-239.273 | < 4.15.0-211.222 | < 5.4.0-149.166 | < 5.15.0-72.79
  • linux-aws< 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1156.169 | < 5.4.0-1102.110 | < 5.15.0-1036.40
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
Suse2 products
  • kgraft-patch-SLE12-SP4_Update_34&distro=SUSE Linux Enterprise Live Patching 12 SP4< 2-2.2
  • kgraft-patch-SLE12-SP5_Update_40&distro=SUSE Linux Enterprise Live Patching 12 SP5< 3-2.2
Debian1 product
  • linux< 6.1.20-1
Linux1 product
  • linux_kernel≥ 2.6.36, < 4.14.308 | ≥ 4.15, < 4.19.276 | ≥ 4.20, < 5.4.235 | ≥ 5.5, < 5.10.173 | ≥ 5.11, < 5.15.99 | ≥ 5.16, < 6.1.16 | ≥ 6.2, < 6.2.3

4 vendors · 94 products

References

38 links
Show all 38 references