{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31643", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.127Z", "datePublished": "2026-04-24T14:44:57.540Z", "dateUpdated": "2026-04-24T14:44:57.540Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-04-24T14:44:57.540Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix key parsing memleak\n\nIn rxrpc_preparse_xdr_yfs_rxgk(), the memory attached to token->rxgk can be\nleaked in a few error paths after it's allocated.\n\nFix this by freeing it in the \"reject_token:\" case."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/rxrpc/key.c"], "versions": [{"version": "0ca100ff4df64f5d0f6c1dd5080c3e096786bea6", "lessThan": "d5f76f812d2c0ea6dd651b0586be49e85ecca085", "status": "affected", "versionType": "git"}, {"version": "0ca100ff4df64f5d0f6c1dd5080c3e096786bea6", "lessThan": "01f51318feb626deee1d0c8a190198cd7857d599", "status": "affected", "versionType": "git"}, {"version": "0ca100ff4df64f5d0f6c1dd5080c3e096786bea6", "lessThan": "b555912b9b21075e8298015f888ffe3ff60b1a97", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/rxrpc/key.c"], "versions": [{"version": "6.16", "status": "affected"}, {"version": "0", "lessThan": "6.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.23", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.13", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.16", "versionEndExcluding": "6.18.23"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "6.19.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d5f76f812d2c0ea6dd651b0586be49e85ecca085"}, {"url": "https://git.kernel.org/stable/c/01f51318feb626deee1d0c8a190198cd7857d599"}, {"url": "https://git.kernel.org/stable/c/b555912b9b21075e8298015f888ffe3ff60b1a97"}], "title": "rxrpc: Fix key parsing memleak", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix key parsing memleak\n\nIn rxrpc_preparse_xdr_yfs_rxgk(), the memory attached to token->rxgk can be\nleaked in a few error paths after it's allocated.\n\nFix this by freeing it in the \"reject_token:\" case."}], "id": "CVE-2026-31643", "lastModified": "2026-04-24T17:51:40.810", "metrics": {}, "published": "2026-04-24T15:16:43.673", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/01f51318feb626deee1d0c8a190198cd7857d599"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b555912b9b21075e8298015f888ffe3ff60b1a97"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d5f76f812d2c0ea6dd651b0586be49e85ecca085"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: rxrpc: Fix key parsing memleak", "id": "2461547", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461547"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's rxrpc subsystem. During key parsing, a memory leak can occur in certain error paths. This vulnerability could allow a local or remote attacker to cause a denial of service by exhausting system memory."], "name": "CVE-2026-31643", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31643\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31643\nhttps://lore.kernel.org/linux-cve-announce/2026042457-CVE-2026-31643-54c3@gregkh/T"], "threat_severity": "Low"}

{}