CVE-2026-63961: linux

CVSS: UnknownAwaiting analysis
AliasesUBUNTU-CVE-2026-63961DEBIAN-CVE-2026-63961
Published 19-07-2026Last modified 20-07-2026
Open JSON

Vulnerability summary

CVE-2026-63961 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.4% 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
0.22%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 32 · Related 32
OPENSUSE-SU-2026:21555-1SUSE-SU-2026:23066-1SUSE-SU-2026:23068-1SUSE-SU-2026:23193-1SUSE-SU-2026:23194-1SUSE-SU-2026:23221-1

Timeline

  1. 19-07-2026
    PublishedVulnerability first disclosed.
  2. 20-07-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmodes/displayport: validate count before reading Status Update VDO A broken/malicious device can send the incorrect count for a status update VDO, which will cause the kernel to read uninitialized stack data and send it off elsewhere. Fix this up by correctly verifying the count for the update object.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

+0.01 pp

From 0.21% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.22%

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

Ubuntu167 products
  • linuxAll versions (No fix recorded) | < 5.15.0-198.208 | < 6.8.0-146.146 | < 7.0.0-28.28
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1117.124 | < 6.8.0-1066.69 | < 7.0.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.176-1 | < 6.12.94-1 | < 7.0.12-1
Linux1 product
  • linux≥ 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < 74aabe9ea30fdfba924fce9594e6aa69a596a4bb | ≥ 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < dd7118c010f324497c275e8fd7a35c9baaa2a00f | ≥ 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < 6ffdbcd7a02f3af8fff9b6519830369f574ed44c | ≥ 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < 70e7045849e954e56dcbf441b6330e66bc996306 | ≥ 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < 64bd6ccc5799f8473d1f37d4d8f53093dfec5c02 | ≥ 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < b10eff5abe6aa2a5af10ed17bddff76e3b6e6b9b | ≥ 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < 77a759ec30bc5fb0dd9c867b711d0acfed6c7faa | ≥ 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588, < 8a18f896e667df491331371b55d4ad644dc51d60 | 4.19

3 vendors · 169 products

References

32 links
Show all 32 references