5.5

CVE-2023-53309: linux Integer Overflow or Wraparound

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-53309DEBIAN-CVE-2023-53309
Published 16-09-2025Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2023-53309 is a medium (CVSS 5.5) Integer Overflow or Wraparound vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.7% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 16 · Related 15
RHSA-2024:2394SUSE-SU-2025:03600-1SUSE-SU-2025:03614-1SUSE-SU-2025:03615-1SUSE-SU-2025:03628-1SUSE-SU-2025:03634-1

Timeline

  1. 16-09-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: Fix integer overflow in radeon_cs_parser_init The type of size is unsigned, if size is 0x40000000, there will be an integer overflow, size will be zero after size *= sizeof(uint32_t), will cause uninitialized memory to be referenced later

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

0.00 pp

From 0.16% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu124 products
  • linuxAll versions (No fix recorded) | < 5.4.0-169.187 | < 5.15.0-88.98
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1116.126 | < 5.15.0-1049.54
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 28a326c592e3e444c59f28b3e60c3b07692928d6, < d05ba46134d07e889de7d23cf8503574a22ede09 | ≥ 28a326c592e3e444c59f28b3e60c3b07692928d6, < cfa9148bafb2d3292b65de1bac79dcca65be2643 | ≥ 28a326c592e3e444c59f28b3e60c3b07692928d6, < b8fab6aebdf2115ec2d7bd2f3498d5b911ff351e | ≥ 28a326c592e3e444c59f28b3e60c3b07692928d6, < e6825b30d37fe89ceb87f926d33d4fad321a331e | ≥ 28a326c592e3e444c59f28b3e60c3b07692928d6, < c0d7dbc6b7a61a56028118c00af2c8319d44a682 | ≥ 28a326c592e3e444c59f28b3e60c3b07692928d6, < 2e1be420b86980c25a75325e90dfc3fc73126f61 | ≥ 28a326c592e3e444c59f28b3e60c3b07692928d6, < 25e634d7f44eb13113139040e5366bebe48c882f | ≥ 28a326c592e3e444c59f28b3e60c3b07692928d6, < f828b681d0cd566f86351c0b913e6cb6ed8c7b9c | 3.13
  • linux_kernel< 4.14.324 | ≥ 4.15, < 4.19.293 | ≥ 4.20, < 5.4.255 | ≥ 5.5, < 5.10.192 | ≥ 5.11, < 5.15.123 | ≥ 5.16, < 6.1.42 | ≥ 6.2, < 6.4.7
Debian1 product
  • linux< 6.1.52-1 | < 6.4.11-1

3 vendors · 127 products

References

12 links
Show all 12 references