3.3

CVE-2023-1075: linux linux_kernel

Modified
AliasesUBUNTU-CVE-2023-1075DEBIAN-CVE-2023-1075CGA-25r2-f2j8-w3fr
Published 27-03-2023Last modified 24-02-2025

Vulnerability summary

CVE-2023-1075 is a low (CVSS 3.3) vulnerability in linux linux_kernel. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 3.3, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
3.3/10
010
Low · v3.1 (CVE.org)
EPSS score
0.22%
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 29 · Related 25
RHSA-2023:6583RHSA-2023:6901RHSA-2023:7077RHSA-2024:0575RHSA-2024:0724SUSE-SU-2023:1608-1

Timeline

  1. 27-03-2023
    PublishedVulnerability first disclosed.
  2. 24-02-2025
    Last modifiedVulnerability information updated.

Description

A flaw was found in the Linux Kernel. The tls_is_tx_ready() incorrectly checks for list emptiness, potentially accessing a type confused entry to the list_head, leaking the last byte of the confused field that overlaps with rec->tx_ready.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.22% 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.

Ubuntu87 products
  • linux< 5.4.0-149.166 | < 5.15.0-72.79
  • linux-allwinner-5.19< 5.19.0-1012.12~22.04.1
  • linux-aws< 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)
Chainguard83 products
  • hyperv-daemons-6.18All versions (No fix recorded)
  • hyperv-daemons-genericAll versions (No fix recorded)
  • linux-aws-6.12< 6.12.65-r0 | All versions (No fix recorded)
  • linux-aws-6.12-boot-installedAll versions (No fix recorded)
  • linux-aws-6.12-fips-boot-installedAll versions (No fix recorded)
Debian1 product
  • linux< 6.1.11-1
Linux1 product

4 vendors · 172 products

References

21 links
Show all 21 references