netfilter: x_tables: ensure names are nul-terminated

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Summary

CVECVE-2026-43028
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-01 15:16:47 UTC
Updated2026-05-03 07:16:22 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS: 0.000240000 probability, percentile 0.068220000 (date 2026-05-02)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.1HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
3.1CNADECLARED7.1HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected c38c4597e4bf3e99860eac98211748e1ecb0e139 bcac50ea0a29d430eedc5ac87b215393b567baa9 git Not specified
CNA Linux Linux affected c38c4597e4bf3e99860eac98211748e1ecb0e139 ea01c1b219f5a11c66918abaa6f052e5a74041d6 git Not specified
CNA Linux Linux affected c38c4597e4bf3e99860eac98211748e1ecb0e139 aa6cd4a8863391e0a64f62d8922cb0af732a2cf2 git Not specified
CNA Linux Linux affected c38c4597e4bf3e99860eac98211748e1ecb0e139 c2d4a3abb15ca14716c6d8b9ffcbcd7c63626af4 git Not specified
CNA Linux Linux affected c38c4597e4bf3e99860eac98211748e1ecb0e139 673bbd36cba21d10a10f0932f479df7468e26fbb git Not specified
CNA Linux Linux affected c38c4597e4bf3e99860eac98211748e1ecb0e139 f419bdc205894750f4d3ec042bc87a1b9cde1351 git Not specified
CNA Linux Linux affected c38c4597e4bf3e99860eac98211748e1ecb0e139 73124608172890306b85f2206d8b3cac20e324f1 git Not specified
CNA Linux Linux affected c38c4597e4bf3e99860eac98211748e1ecb0e139 a958a4f90ddd7de0800b33ca9d7b886b7d40f74e git Not specified
CNA Linux Linux affected 4.5 Not specified
CNA Linux Linux unaffected 4.5 semver Not specified
CNA Linux Linux unaffected 5.10.253 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.203 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.168 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.134 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.81 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.22 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.12 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/c2d4a3abb15ca14716c6d8b9ffcbcd7c63626af4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/aa6cd4a8863391e0a64f62d8922cb0af732a2cf2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f419bdc205894750f4d3ec042bc87a1b9cde1351 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/bcac50ea0a29d430eedc5ac87b215393b567baa9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ea01c1b219f5a11c66918abaa6f052e5a74041d6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/73124608172890306b85f2206d8b3cac20e324f1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/673bbd36cba21d10a10f0932f479df7468e26fbb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a958a4f90ddd7de0800b33ca9d7b886b7d40f74e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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