CVE-2026-46010

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46010", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.092Z", "datePublished": "2026-05-27T12:56:11.456Z", "dateUpdated": "2026-08-05T12:29:07.239Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:29:07.239Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix error handling in rxgk_extract_token()\n\nFix a missing bit of error handling in rxgk_extract_token(): in the event\nthat rxgk_decrypt_skb() returns -ENOMEM, it should just return that rather\nthan continuing on (for anything else, it generates an abort)."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.1, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:N - rxrpc is a UDP-based network protocol; the bug is in server-side processing of an RxGK RESPONSE packet received from a remote peer, fully reachable over the network.\nAC:H - The vulnerable fall-through is reachable only when the crypto decrypt path returns -ENOMEM (a kernel allocation failure); for all other errors the code correctly aborts, and an attacker cannot reliably force this allocation to fail.\nPR:N - This runs during the RxGK security challenge/response handshake, before the peer is authenticated, so no privileges or credentials are required.\nUI:N - The server processes incoming RESPONSE packets automatically; no victim interaction is needed.\nS:U - Impact is confined to the kernel's own security authority; no VM/IOMMU/sandbox boundary is crossed.\nC:H - Skipping decryption causes the server to accept un-authenticated, attacker-supplied ticket data, letting the attacker control K0/identity/level and impersonate a principal, exposing data served over the authenticated session.\nI:H - The attacker-chosen token sets the connection's session key, security level, and identity without possessing the server key, an authentication bypass that lets the attacker establish a session with forged integrity-relevant parameters.\nA:H - Operating on un-decrypted cryptographic state corrupts the handshake and tears down the connection, and under sustained memory pressure an unauthenticated peer can repeatedly disrupt the RxGK service."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/rxrpc/rxgk_app.c"], "versions": [{"version": "64863f4ca4945bdb62ce2b30823f39ea9fe95415", "lessThan": "293095ef618818852bac5488c1bc223935e2ca17", "status": "affected", "versionType": "git"}, {"version": "64863f4ca4945bdb62ce2b30823f39ea9fe95415", "lessThan": "c52803e925604e2a17962ab0c99dce2d3f7238db", "status": "affected", "versionType": "git"}, {"version": "64863f4ca4945bdb62ce2b30823f39ea9fe95415", "lessThan": "3476c8bb960f48e49355d6f93fb7673211e0163f", "status": "affected", "versionType": "git"}, {"version": "8ac99c57029e13ebb5fb0d634925abedef32b53a", "status": "affected", "versionType": "git"}, {"version": "6.16.9", "lessThan": "6.17", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/rxrpc/rxgk_app.c"], "versions": [{"version": "6.17", "status": "affected"}, {"version": "0", "lessThan": "6.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.27", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.4", "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": "6.17", "versionEndExcluding": "6.18.27"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.0.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16.9"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/293095ef618818852bac5488c1bc223935e2ca17"}, {"url": "https://git.kernel.org/stable/c/c52803e925604e2a17962ab0c99dce2d3f7238db"}, {"url": "https://git.kernel.org/stable/c/3476c8bb960f48e49355d6f93fb7673211e0163f"}], "title": "rxrpc: Fix error handling in rxgk_extract_token()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/rxrpc/rxgk_app.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "293095ef618818852bac5488c1bc223935e2ca17", "status": "affected", "version": "64863f4ca4945bdb62ce2b30823f39ea9fe95415", "versionType": "git"}, {"lessThan": "c52803e925604e2a17962ab0c99dce2d3f7238db", "status": "affected", "version": "64863f4ca4945bdb62ce2b30823f39ea9fe95415", "versionType": "git"}, {"lessThan": "3476c8bb960f48e49355d6f93fb7673211e0163f", "status": "affected", "version": "64863f4ca4945bdb62ce2b30823f39ea9fe95415", "versionType": "git"}, {"status": "affected", "version": "8ac99c57029e13ebb5fb0d634925abedef32b53a", "versionType": "git"}, {"lessThan": "6.17", "status": "affected", "version": "6.16.9", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/rxrpc/rxgk_app.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.17"}, {"lessThan": "6.17", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.27", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "98F094CD-A7F6-4BEA-8870-C45B63E05825", "versionEndExcluding": "6.17", "versionStartIncluding": "6.16.9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A8B5B12B-D912-4498-ADCB-79CD90DD9F0F", "versionEndExcluding": "6.18.27", "versionStartIncluding": "6.17.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CDB78D6D-22C3-4154-B0D0-94AF1CE5C2E3", "versionEndExcluding": "7.0.4", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:-:*:*:*:*:*:*", "matchCriteriaId": "7CC8B11D-82DC-4958-8DC7-BF5CC829A5E9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc7:*:*:*:*:*:*", "matchCriteriaId": "3963C3A0-CEA1-4F5C-8011-3A593ABB684D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix error handling in rxgk_extract_token()\n\nFix a missing bit of error handling in rxgk_extract_token(): in the event\nthat rxgk_decrypt_skb() returns -ENOMEM, it should just return that rather\nthan continuing on (for anything else, it generates an abort)."}], "id": "CVE-2026-46010", "lastModified": "2026-06-17T10:52:53.630", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}]}, "published": "2026-05-27T14:17:18.960", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/293095ef618818852bac5488c1bc223935e2ca17"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3476c8bb960f48e49355d6f93fb7673211e0163f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c52803e925604e2a17962ab0c99dce2d3f7238db"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: rxrpc: Fix error handling in rxgk_extract_token()", "id": "2482180", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482180"}, "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-253", "details": ["A flaw was found in the Linux kernel's rxrpc component. Missing error handling in the rxgk_extract_token() function, specifically when rxgk_decrypt_skb() returns an out-of-memory error (-ENOMEM), could lead to an unexpected system abort. This vulnerability could allow a local attacker to cause a Denial of Service (DoS) by triggering this specific error condition."], "name": "CVE-2026-46010", "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": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46010\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46010\nhttps://lore.kernel.org/linux-cve-announce/2026052744-CVE-2026-46010-e0b6@gregkh/T"], "threat_severity": "Moderate"}

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