CVE-2026-43321

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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/7beae54111c34ca63357ef120e115889b915beb5	Patch
https://git.kernel.org/stable/c/d1aab1ca576c90192ba961094d51b0be6355a4d6	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc1::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc2::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc3::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc4::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc5::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc6::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc7::::::

History

11 Nov 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: bpf: Marcar correctamente los registros activos para saltos indirectos Para una instrucción ’gotox rX’, el registro rX debería marcarse como usado en la función compute_insn_live_regs(). Corregir esto.

19 Oct 2026, 20:18

Type	Values Removed	Values Added
CWE		CWE-682

Information

Published : 2026-05-08 14:16

Updated : 2026-11-11 20:10

NVD link : CVE-2026-43321

Mitre link : CVE-2026-43321

CVE.ORG link : CVE-2026-43321

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo CWE-682

Incorrect Calculation

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