CVE-2026-43028
In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: ensure names are nul-terminated Reject names that lack a \0 character before feeding them to functions that expect c-strings.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: ensure names are nul-terminated Reject names that lack a \0 character before feeding them to functions that expect c-strings. Fixes tag is the most recent commit that needs this change.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 0.13% probability · 3th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/673bbd36cba21d10a10f0932f479df7468e26fbbPatch
- https://git.kernel.org/stable/c/73124608172890306b85f2206d8b3cac20e324f1Patch
- https://git.kernel.org/stable/c/a958a4f90ddd7de0800b33ca9d7b886b7d40f74ePatch
- https://git.kernel.org/stable/c/aa6cd4a8863391e0a64f62d8922cb0af732a2cf2Patch
- https://git.kernel.org/stable/c/bcac50ea0a29d430eedc5ac87b215393b567baa9Patch
- https://git.kernel.org/stable/c/c2d4a3abb15ca14716c6d8b9ffcbcd7c63626af4Patch
- https://git.kernel.org/stable/c/ea01c1b219f5a11c66918abaa6f052e5a74041d6Patch
- https://git.kernel.org/stable/c/f419bdc205894750f4d3ec042bc87a1b9cde1351Patch
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.