{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53110","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.385Z","datePublished":"2026-06-24T16:30:44.036Z","dateUpdated":"2026-06-28T06:39:20.484Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-28T06:39:20.484Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/bpf: Zero-extend bpf prog return values and kfunc arguments\n\ns390x ABI requires callers to zero-extend unsigned arguments and\nsign-extend signed arguments, and callees to zero-extend unsigned\nreturn values and sign-extend signed return values.\n\ns390 BPF JIT currently implements only sign extension. Fix this\nomission and implement zero extension too."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/net/bpf_jit_comp.c"],"versions":[{"version":"528eb2cb87bc1353235a6384696b4849bde8b0ba","lessThan":"edc90a12073b9a530064a99945c183dde120cb99","status":"affected","versionType":"git"},{"version":"528eb2cb87bc1353235a6384696b4849bde8b0ba","lessThan":"44c4f999b03f55debb1a0c5ab5c1796895a1adf8","status":"affected","versionType":"git"},{"version":"528eb2cb87bc1353235a6384696b4849bde8b0ba","lessThan":"366b0e05ee24f5ba62bdc7ec1346038258b9a797","status":"affected","versionType":"git"},{"version":"528eb2cb87bc1353235a6384696b4849bde8b0ba","lessThan":"834918a77be51419383bf1dda9f02b81ecf26b34","status":"affected","versionType":"git"},{"version":"528eb2cb87bc1353235a6384696b4849bde8b0ba","lessThan":"202e42e4aa890172366354b233c42c73107a3f59","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/net/bpf_jit_comp.c"],"versions":[{"version":"6.3","status":"affected"},{"version":"0","lessThan":"6.3","status":"unaffected","versionType":"semver"},{"version":"6.6.141","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.91","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.33","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.10","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.6.141"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.12.91"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.18.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"7.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/edc90a12073b9a530064a99945c183dde120cb99"},{"url":"https://git.kernel.org/stable/c/44c4f999b03f55debb1a0c5ab5c1796895a1adf8"},{"url":"https://git.kernel.org/stable/c/366b0e05ee24f5ba62bdc7ec1346038258b9a797"},{"url":"https://git.kernel.org/stable/c/834918a77be51419383bf1dda9f02b81ecf26b34"},{"url":"https://git.kernel.org/stable/c/202e42e4aa890172366354b233c42c73107a3f59"}],"title":"s390/bpf: Zero-extend bpf prog return values and kfunc arguments","x_generator":{"engine":"bippy-1.2.0"}}}}