CVE record · CVE-2026-98256

signal: Prevent exec() race

CVSS 7.8 HighEPSS 0.0014 · 3rd percentile

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:45 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Linux	Linux	affected fb3bbcfe344e64a46574a638b051ffd78762c12d to before 621c365739828900f32a0c1cdfe5387528a62176 git affected fb3bbcfe344e64a46574a638b051ffd78762c12d to before 934bd95f1a6404dbb845951b823547abab05a649 git affected fb3bbcfe344e64a46574a638b051ffd78762c12d to before d2710c8d938ae6a825a6463158e6e6f31eac792a git Other versions: unaffected
Linux	Linux	affected 6.15 unaffected before 6.15 semver unaffected 6.18.54 to 6.18., inclusive semver unaffected 7.2.8 to 7.2., inclusive semver unaffected 7.3 to *, inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-98256
CNA: Linux
Tags: Linux kernel
Published: 6 Oct 2026
Updated: 19 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0014, the 3rd percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 6 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.