CVE-2026-74539

HIGHCVSS 8/10EPSS 0.17%

Last modified

CVE-2026-74539 is a high-severity vulnerability rated 8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: lock sk in iso_sock_getname Accessing iso_pi(sk)->conn requires lock_sock, which is not held here. Fix by adding the lock/release.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: lock sk in iso_sock_getname Accessing iso_pi(sk)->conn requires lock_sock, which is not held here. Fix by adding the lock/release.

Metrics

CVSS 3.1
8/10

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.17%

6.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 2df108c227b266a9ec9e3fda3828d2ac9662aa33, < 72d5bb1d77d7c3330146dc0cfd43f704c64b9594; >= 2df108c227b266a9ec9e3fda3828d2ac9662aa33, < 202670e6602e068558c1fca2df40719ee91a2906; >= 2df108c227b266a9ec9e3fda3828d2ac9662aa33, < 89cf154d7c18e6e94a3da83051f3cf2bac317ae2
LinuxLinux6.16

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-74539?
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: lock sk in iso_sock_getname Accessing iso_pi(sk)->conn requires lock_sock, which is not held here. Fix by adding the lock/release.
How severe is CVE-2026-74539?
CVE-2026-74539 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-74539?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2026

Are you affected by CVE-2026-74539?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST