5.5

CVE-2023-2162: linux linux_kernel Use After Free

Modified
AliasesUBUNTU-CVE-2023-2162DEBIAN-CVE-2023-2162
Published 19-04-2023Last modified 19-03-2025

Vulnerability summary

CVE-2023-2162 is a medium (CVSS 5.5) Use After Free vulnerability in linux linux_kernel. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.3% 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 (CVE.org)
EPSS score
0.25%
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 83 · Related 69
DLA-3403-1DLA-3404-1RHSA-2024:0113RHSA-2024:0134RHSA-2024:0402RHSA-2024:0403

Timeline

  1. 19-04-2023
    PublishedVulnerability first disclosed.
  2. 19-03-2025
    Last modifiedVulnerability information updated.

Description

A use-after-free vulnerability was found in iscsi_sw_tcp_session_create in drivers/scsi/iscsi_tcp.c in SCSI sub-component in the Linux Kernel. In this flaw an attacker could leak kernel internal information.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.25% 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.

Ubuntu92 products
  • linuxAll versions (No fix recorded) | < 4.4.0-243.277 | < 4.15.0-211.222 | < 5.4.0-149.166 | < 5.15.0-72.79
  • linux-allwinner-5.19< 5.19.0-1012.12~22.04.1
  • linux-aws< 4.4.0-1121.127 | < 4.4.0-1159.174 | < 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)
Debian1 product
  • linux< 6.1.11-1
Linux1 product
  • linux_kernelEOL< 6.2 | 6.2 | 6.2:rc1 | 6.2:rc2 | 6.2:rc3 | 6.2:rc4 | 6.2:rc5

3 vendors · 94 products

References

28 links
Show all 28 references