CVE-2026-43358

EUVD-2026-28664
In the Linux kernel, the following vulnerability has been resolved:

btrfs: add missing RCU unlock in error path in try_release_subpage_extent_buffer()

Call rcu_read_lock() before exiting the loop in
try_release_subpage_extent_buffer() because there is a rcu_read_unlock()
call past the loop.

This has been detected by the Clang thread-safety analyzer.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
6.16.4 ≤
𝑥
< 6.17
linuxlinux_kernel
6.17.1 ≤
𝑥
< 6.18.19
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.9
linuxlinux_kernel
6.17
linuxlinux_kernel
6.17:rc2
linuxlinux_kernel
6.17:rc3
linuxlinux_kernel
6.17:rc4
linuxlinux_kernel
6.17:rc5
linuxlinux_kernel
6.17:rc6
linuxlinux_kernel
6.17:rc7
linuxlinux_kernel
7.0:rc1
linuxlinux_kernel
7.0:rc2
linuxlinux_kernel
7.0:rc3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.170-3
fixed
bookworm (security)
6.1.174-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.257-1
fixed
forky
7.0.12-2
fixed
sid
7.0.13-1
fixed
trixie
6.12.86-1
fixed
trixie (security)
6.12.94-1
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
bpftool6.18
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
bpftool6.18-debuginfo
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel-livepatch-6.18.20-20.229
Amazon Linux 2023
1:1.0-0.amzn2023
fixed
kernel6.18
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-debuginfo
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-debuginfo-common-aarch64
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-debuginfo-common-x86_64
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-devel
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-headers
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-libbpf
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-libbpf-debuginfo
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-libbpf-devel
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-libbpf-static
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-modules-extra
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-modules-extra-common
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-tools
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-tools-debuginfo
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-tools-devel
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
perf6.18
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
perf6.18-debuginfo
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
python3-perf6.18
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
python3-perf6.18-debuginfo
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed