CVE-2026-80763: linux

CVSS: UnknownReceived
AliasesUBUNTU-CVE-2026-80763DEBIAN-CVE-2026-80763
Published 04-09-2026Last modified 19-10-2026
Open JSON

Vulnerability summary

CVE-2026-80763 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.3% 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
0.17%
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 2 · Related 1
MGASA-2026-0506OPENSUSE-SU-2026:11773-1

Timeline

  1. 04-09-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: validate LE Set CIG Parameters response The Command Complete dispatch validates only the fixed part of the LE Set CIG Parameters response. After that part is pulled from the skb, hci_cc_le_set_cig_params() trusts num_handles and reads each entry in the trailing handle array. Matching num_handles against the command's num_cis does not guarantee that the response contains the advertised handles. A truncated response from a malfunctioning controller can therefore make the handler read beyond the skb data. Validate that the remaining skb data contains all advertised handles. Include this in the existing response validation so malformed responses also follow the established CIG failure handling.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

0.00 pp

From 0.17% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.17%

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

Ubuntu142 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linux< 6.1.187-1 | < 6.12.107-1 | < 7.1.12-1
  • linux-6.12< 6.12.107-1~deb12u1
Linux1 product
  • linux≥ 26afbd826ee326e63a334c37fd45e82e50a615ec, < 9e05783d0bb96a7b853cc058a7c7de2dc4a62154 | ≥ 26afbd826ee326e63a334c37fd45e82e50a615ec, < 26741d178f31932c9018b36b7953e6dc391436a4 | ≥ 26afbd826ee326e63a334c37fd45e82e50a615ec, < a34df5c4a439cfc04565fa5be608ed1e53134f1f | ≥ 26afbd826ee326e63a334c37fd45e82e50a615ec, < e3f82e8f2a5915f533b57a065e9a045aa2ee03bc | ≥ 26afbd826ee326e63a334c37fd45e82e50a615ec, < d83ecb7b96105d932dabaa56ccd7418c25fb7cbb | ≥ 26afbd826ee326e63a334c37fd45e82e50a615ec, < 6fc540e835dddb518cef3ff522b780f701cd03df | ≥ 26afbd826ee326e63a334c37fd45e82e50a615ec, < 0acd4eeb4b225b9bebbf9ef96cc10cdd79b94899 | 6.0

3 vendors · 145 products

References

12 links
Show all 12 references