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CVE-2026-74539

Bluetooth: ISO: lock sk in iso_sock_getname

HIGH
8
CVSS Score
Published: August 15, 2026 at 12:27 PM UTC
Updated: October 16, 2026 at 08:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH8
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
2df108c227b266a9ec9e3fda3828d2ac9662aa336.16
Vendor states this is fixed in 202670e6602e068558c1fca2df40719ee91a2906 (fixed)
Vendor states this is fixed in 72d5bb1d77d7c3330146dc0cfd43f704c64b9594 (fixed)
Vendor states this is fixed in 89cf154d7c18e6e94a3da83051f3cf2bac317ae2 (fixed)
Vendor states this is fixed in 6.16 (unaffected)
Vendor states this is fixed in 6.18.44 (unaffected)
Vendor states this is fixed in 7.1.8 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: cverecord
https://git.kernel.org/stable/c/72d5bb1d77d7c3330146dc0cfd43f704c64b9594
Source: cverecord
https://git.kernel.org/stable/c/202670e6602e068558c1fca2df40719ee91a2906
Source: cverecord
https://git.kernel.org/stable/c/89cf154d7c18e6e94a3da83051f3cf2bac317ae2

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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