{"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": "2026-06-24T16:30:44.036Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-24T16:30:44.036Z"}, "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."}], "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"}}}}

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