CVE-2026-43321

EUVD-2026-28605
In the Linux kernel, the following vulnerability has been resolved:

bpf: Properly mark live registers for indirect jumps

For a `gotox rX` instruction the rX register should be marked as used
in the compute_insn_live_regs() function. Fix this.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.6
linuxlinux_kernel
7.0:rc1
linuxlinux_kernel
7.0:rc2
linuxlinux_kernel
7.0:rc3
linuxlinux_kernel
7.0:rc4
linuxlinux_kernel
7.0:rc5
linuxlinux_kernel
7.0:rc6
linuxlinux_kernel
7.0:rc7
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
1:6.18.16-18.222.amzn2023
fixed
bpftool6.18-debuginfo
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel-livepatch-6.18.16-18.222
Amazon Linux 2023
1:1.0-0.amzn2023
fixed
kernel6.18
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel6.18-debuginfo
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel6.18-debuginfo-common-aarch64
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel6.18-debuginfo-common-x86_64
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel6.18-devel
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel6.18-headers
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel6.18-libbpf
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel6.18-libbpf-debuginfo
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel6.18-libbpf-devel
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel6.18-libbpf-static
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel6.18-modules-extra
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel6.18-modules-extra-common
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel6.18-tools
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel6.18-tools-debuginfo
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
kernel6.18-tools-devel
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
perf6.18
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
perf6.18-debuginfo
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
python3-perf6.18
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
python3-perf6.18-debuginfo
Amazon Linux 2023
1:6.18.16-18.222.amzn2023
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
kernel
Azure Linux 3.0
0:6.6.138.1-1.azl3
fixed
Vulnerability Media Exposure
References
https://git.kernel.org/stable/c/7beae54111c34ca63357ef120e115889b915beb5
https://git.kernel.org/stable/c/d1aab1ca576c90192ba961094d51b0be6355a4d6