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CVE-2026-98572 Details

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix immediate JMP JEQ/JNE on MIPS32 An addu instruction was emitted instead of addiu, causing the immediate value 1 to be interpreted as register $at. This made the comparison result invalid when the immediate operand was negative. Note that $at is mapped to BPF_REG_AX, which is used for constant blinding. Fix the instruction to use the immediate form. Found with test_bpf on MIPS32r1 emulated by QEMU.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/1547e9f3a7d71971216e6dba30270cae13fe4e02 kernel.org
https://git.kernel.org/stable/c/1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8 kernel.org
https://git.kernel.org/stable/c/6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0 kernel.org
https://git.kernel.org/stable/c/876ef04c75c2751acfd355606fca3eced71dec65 kernel.org
https://git.kernel.org/stable/c/beeae92e70e705e90a0d6d9b3b8498ee3b92f495 kernel.org

see all 6 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-98572
NVD Published Date:
Oct 18, 2026
NVD Last Modified:
Oct 19, 2026
Source:
kernel.org
CVE-2026-98572 Details - Not Deferred