{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-50490", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-04T15:39:19.463Z", "datePublished": "2025-10-04T15:43:43.790Z", "dateUpdated": "2025-10-04T15:43:43.790Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-10-04T15:43:43.790Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Propagate error from htab_lock_bucket() to userspace\n\nIn __htab_map_lookup_and_delete_batch() if htab_lock_bucket() returns\n-EBUSY, it will go to next bucket. Going to next bucket may not only\nskip the elements in current bucket silently, but also incur\nout-of-bound memory access or expose kernel memory to userspace if\ncurrent bucket_cnt is greater than bucket_size or zero.\n\nFixing it by stopping batch operation and returning -EBUSY when\nhtab_lock_bucket() fails, and the application can retry or skip the busy\nbatch as needed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/hashtab.c"], "versions": [{"version": "20b6cc34ea74b6a84599c1f8a70f3315b56a1883", "lessThan": "0e13425104903970a5ede853082d3bbb4edec6f3", "status": "affected", "versionType": "git"}, {"version": "20b6cc34ea74b6a84599c1f8a70f3315b56a1883", "lessThan": "6bfee6eb3d6b96ae730a542909dd22b5f9f50d58", "status": "affected", "versionType": "git"}, {"version": "20b6cc34ea74b6a84599c1f8a70f3315b56a1883", "lessThan": "4f1f39a8f1ce1b24fee6852d7dcd704ce7c4334d", "status": "affected", "versionType": "git"}, {"version": "20b6cc34ea74b6a84599c1f8a70f3315b56a1883", "lessThan": "66a7a92e4d0d091e79148a4c6ec15d1da65f4280", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/hashtab.c"], "versions": [{"version": "5.11", "status": "affected"}, {"version": "0", "lessThan": "5.11", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.75", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.17", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.3", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "5.11", "versionEndExcluding": "5.15.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.19.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.0.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0e13425104903970a5ede853082d3bbb4edec6f3"}, {"url": "https://git.kernel.org/stable/c/6bfee6eb3d6b96ae730a542909dd22b5f9f50d58"}, {"url": "https://git.kernel.org/stable/c/4f1f39a8f1ce1b24fee6852d7dcd704ce7c4334d"}, {"url": "https://git.kernel.org/stable/c/66a7a92e4d0d091e79148a4c6ec15d1da65f4280"}], "title": "bpf: Propagate error from htab_lock_bucket() to userspace", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Propagate error from htab_lock_bucket() to userspace\n\nIn __htab_map_lookup_and_delete_batch() if htab_lock_bucket() returns\n-EBUSY, it will go to next bucket. Going to next bucket may not only\nskip the elements in current bucket silently, but also incur\nout-of-bound memory access or expose kernel memory to userspace if\ncurrent bucket_cnt is greater than bucket_size or zero.\n\nFixing it by stopping batch operation and returning -EBUSY when\nhtab_lock_bucket() fails, and the application can retry or skip the busy\nbatch as needed."}], "id": "CVE-2022-50490", "lastModified": "2025-10-06T14:56:47.823", "metrics": {}, "published": "2025-10-04T16:15:45.947", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0e13425104903970a5ede853082d3bbb4edec6f3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4f1f39a8f1ce1b24fee6852d7dcd704ce7c4334d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/66a7a92e4d0d091e79148a4c6ec15d1da65f4280"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6bfee6eb3d6b96ae730a542909dd22b5f9f50d58"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: bpf: Propagate error from htab_lock_bucket() to userspace", "id": "2401554", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2401554"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbpf: Propagate error from htab_lock_bucket() to userspace\nIn __htab_map_lookup_and_delete_batch() if htab_lock_bucket() returns\n-EBUSY, it will go to next bucket. Going to next bucket may not only\nskip the elements in current bucket silently, but also incur\nout-of-bound memory access or expose kernel memory to userspace if\ncurrent bucket_cnt is greater than bucket_size or zero.\nFixing it by stopping batch operation and returning -EBUSY when\nhtab_lock_bucket() fails, and the application can retry or skip the busy\nbatch as needed."], "name": "CVE-2022-50490", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:rhivos:1", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat In-Vehicle Operating System 1"}], "public_date": "2025-10-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50490\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50490\nhttps://lore.kernel.org/linux-cve-announce/2025100417-CVE-2022-50490-dcd3@gregkh/T"], "threat_severity": "Important"}