8.8

CVE-2023-53615: linux Race Condition

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2023-53615DEBIAN-CVE-2023-53615
Published 04-10-2025Last modified 05-08-2026

Vulnerability summary

CVE-2023-53615 is a high (CVSS 8.8) Race Condition vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.8% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · 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 17 · Related 15

Timeline

  1. 04-10-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix deletion race condition System crash when using debug kernel due to link list corruption. The cause of the link list corruption is due to session deletion was allowed to queue up twice. Here's the internal trace that show the same port was allowed to double queue for deletion on different cpu. 20808683956 015 qla2xxx [0000:13:00.1]-e801:4: Scheduling sess ffff93ebf9306800 for deletion 50:06:0e:80:12:48:ff:50 fc4_type 1 20808683957 027 qla2xxx [0000:13:00.1]-e801:4: Scheduling sess ffff93ebf9306800 for deletion 50:06:0e:80:12:48:ff:50 fc4_type 1 Move the clearing/setting of deleted flag lock.

CVSS metrics

5 scores · 4 sources · 2 versions

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

Ubuntu122 products
  • linuxAll versions (No fix recorded) | < 5.4.0-171.189 | < 5.15.0-94.104
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1118.128 | < 5.15.0-1053.58
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 726b85487067d7f5b23495bc33c484b8517c4074, < a4628a5b98e4c6d905e1f7638242612d7db7d9c2 | ≥ 726b85487067d7f5b23495bc33c484b8517c4074, < 4d7da12483e98c451a51bd294a3d3494f0aee5eb | ≥ 726b85487067d7f5b23495bc33c484b8517c4074, < f1ea164be545629bf442c22f508ad9e7b94ac100 | ≥ 726b85487067d7f5b23495bc33c484b8517c4074, < cd06c45b326e44f0d21dc1b3fa23e71f46847e28 | ≥ 726b85487067d7f5b23495bc33c484b8517c4074, < b05017cb4ff75eea783583f3d400059507510ab1 | ≥ 726b85487067d7f5b23495bc33c484b8517c4074, < 6dfe4344c168c6ca20fe7640649aacfcefcccb26 | 4.11
  • linux_kernel≥ 4.11, < 5.4.258 | ≥ 5.5, < 5.10.195 | ≥ 5.11, < 5.15.132 | ≥ 5.16, < 6.1.54 | ≥ 6.2, < 6.5.4
Debian1 product
  • linux< 6.1.55-1 | < 6.5.6-1

3 vendors · 125 products

References

10 links