CVE-2026-98114

ksmbd: propagate DACL parsing errors

CVE-2026-98114 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-98114, released September 29, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.5

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0012

1st percentile

In the Linux kernel, the following vulnerability has been resolved: ksmbd: propagate DACL parsing errors parse_dacl() silently accepts truncated ACEs and allocation failures, allowing set_info_sec() to continue with an incomplete ACL conversion. Return parsing and allocation errors to parse_sec_desc() so malformed security descriptors are rejected before inode attributes or ACL xattrs are updated.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
linux · Debian 13.5 (trixie)	6.12.111-1	DEBIAN-CVE-2026-98114	Sep 29, 2026
linux · Debian 14	7.2.7-1	DEBIAN-CVE-2026-98114	Sep 29, 2026
linux-6.12 · Debian 12.15 (bookworm)	6.12.111-1~deb12u1	DEBIAN-CVE-2026-98114	Sep 29, 2026

Details

Published
September 25, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-98114

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