CVE-2026-23037: linux

CVSS: UnknownDeferred
AliasesUBUNTU-CVE-2026-23037DEBIAN-CVE-2026-23037
Published 31-01-2026Last modified 02-06-2026
Open JSON

Vulnerability summary

CVE-2026-23037 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 14.9% of scored vulnerabilities.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.25%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 43 · Related 38
DLA-4476-1DSA-6126-1DSA-6127-1MGASA-2026-0097MGASA-2026-0098OPENSUSE-SU-2026:20416-1

Timeline

  1. 31-01-2026
    PublishedVulnerability first disclosed.
  2. 02-06-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: can: etas_es58x: allow partial RX URB allocation to succeed When es58x_alloc_rx_urbs() fails to allocate the requested number of URBs but succeeds in allocating some, it returns an error code. This causes es58x_open() to return early, skipping the cleanup label 'free_urbs', which leads to the anchored URBs being leaked. As pointed out by maintainer Vincent Mailhol, the driver is designed to handle partial URB allocation gracefully. Therefore, partial allocation should not be treated as a fatal error. Modify es58x_alloc_rx_urbs() to return 0 if at least one URB has been allocated, restoring the intended behavior and preventing the leak in es58x_open().

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

+0.02 pp

From 0.23% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.25%

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

No weakness data has been published for this record.

Affected systems

Ubuntu144 products
  • linux< 5.15.0-176.186 | < 6.8.0-117.117 | All versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1105.112 | < 6.8.0-1055.58 | All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.162-1 | < 6.12.69-1 | < 6.18.8-1
Linux1 product
  • linux≥ 8537257874e949a59c834cecfd5a063e11b64b0b, < 97250eb05e4b6afe787290e8fd97d0675116c61b | ≥ 8537257874e949a59c834cecfd5a063e11b64b0b, < aec888f44853584b5a7cd01249806030cf94a73d | ≥ 8537257874e949a59c834cecfd5a063e11b64b0b, < 611e839d2d552416b498ed5593e10670f61fcd4d | ≥ 8537257874e949a59c834cecfd5a063e11b64b0b, < ba45e3d6b02c97dbb4578fbae7027fd66f3caa10 | ≥ 8537257874e949a59c834cecfd5a063e11b64b0b, < 6c5124a60989051799037834f0a1a4b428718157 | ≥ 8537257874e949a59c834cecfd5a063e11b64b0b, < b1979778e98569c1e78c2c7f16bb24d76541ab00 | 5.13

3 vendors · 146 products

References

39 links
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