Medium 5.5Published Jul 1, 2026

CVE-2026-53351riscv/ptrace: Use USER_REGSET_NOTE_TYPE for REGSET_CFI

Updated under an hour ago (Oct 27, 2026, 2:30 PM ET)

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It affects Linux and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: riscv/ptrace: Use USER_REGSET_NOTE_TYPE for REGSET_CFI Fixes a warning while dumping core: [54983.546369][ C7] WARNING: [!note_name] fs/binfmt_elf.c:1771 at elf_core_dump+0x910/0xf68, CPU#7: abort01/31982

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Jul 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 2af7c9cf021c5dabe880b68e5cc22c618060d954 before 08200bef0983ffed039ab399df0cba8d900ce5fc; from 2af7c9cf021c5dabe880b68e5cc22c618060d954 before e3573f739e3dadab57ec80488d07e05c8f6e82d3	CNA record
linux linux_kernel linux:linux_kernel	from 7.0 before 7.0.13; 7.1; 7.1; 7.1; 7.1; 7.1; 7.1; 7.1	NVD

References

References

https://git.kernel.org/stable/c/08200bef0983ffed039ab399df0cba8d900ce5fc	patch
https://git.kernel.org/stable/c/e3573f739e3dadab57ec80488d07e05c8f6e82d3	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.