CVE-2026-74539

CVE-2026-74539

High · published August 15, 2026

CVSS v3.1
8.0
EPSS
0%
Percentile
31.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.0 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00385 · 31.4th percentile
Published
2026-08-15T17:17Z
References (3)
https://git.kernel.org/stable/c/202670e6602e068558c1fca2df40719ee91a2906 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/72d5bb1d77d7c3330146dc0cfd43f704c64b9594 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/89cf154d7c18e6e94a3da83051f3cf2bac317ae2 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 15 AUG 12:27Z
    Bluetooth: ISO: lock sk in iso_sock_getname
    cvelistv5