{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46098", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.097Z", "datePublished": "2026-05-27T12:59:02.308Z", "dateUpdated": "2026-06-14T17:54:16.006Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-14T17:54:16.006Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: caif: clear client service pointer on teardown\n\n`caif_connect()` can tear down an existing client after remote shutdown by\ncalling `caif_disconnect_client()` followed by `caif_free_client()`.\n`caif_free_client()` releases the service layer referenced by\n`adap_layer->dn`, but leaves that pointer stale.\n\nWhen the socket is later destroyed, `caif_sock_destructor()` calls\n`caif_free_client()` again and dereferences the freed service pointer.\n\nClear the client/service links before releasing the service object so\nrepeated teardown becomes harmless."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/caif/cfsrvl.c"], "versions": [{"version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "lessThan": "cffca7a18b8f9de7c3d3013a1f5740c412b2a501", "status": "affected", "versionType": "git"}, {"version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "lessThan": "7ef97d4675b05a103648bd9244d91dff7d8c08b0", "status": "affected", "versionType": "git"}, {"version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "lessThan": "e16859f3f4426fa349bc5519d582a93d28f5a15d", "status": "affected", "versionType": "git"}, {"version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "lessThan": "914c6456fcfc21a3d553945dff62fd1621d6155d", "status": "affected", "versionType": "git"}, {"version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "lessThan": "3ac6db584d9d420267bb8413115707eeec76d9cf", "status": "affected", "versionType": "git"}, {"version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "lessThan": "63d21a3aa0108b9dde4e99b0d3d5d679ac68c0f9", "status": "affected", "versionType": "git"}, {"version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "lessThan": "a4b191ddc12c55ddb62feb096536f819f384d6f1", "status": "affected", "versionType": "git"}, {"version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "lessThan": "f7cf8ece8cee3c1ee361991470cdb1eb65ab02e8", "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/caif/cfsrvl.c"], "versions": [{"version": "3.0", "status": "affected"}, {"version": "0", "lessThan": "3.0", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.258", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.140", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.86", "lessThanOrEqual": "6.12.*", "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": "3.0", "versionEndExcluding": "5.10.258"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "5.15.209"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.6.140"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.12.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.18.27"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "7.0.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/cffca7a18b8f9de7c3d3013a1f5740c412b2a501"}, {"url": "https://git.kernel.org/stable/c/7ef97d4675b05a103648bd9244d91dff7d8c08b0"}, {"url": "https://git.kernel.org/stable/c/e16859f3f4426fa349bc5519d582a93d28f5a15d"}, {"url": "https://git.kernel.org/stable/c/914c6456fcfc21a3d553945dff62fd1621d6155d"}, {"url": "https://git.kernel.org/stable/c/3ac6db584d9d420267bb8413115707eeec76d9cf"}, {"url": "https://git.kernel.org/stable/c/63d21a3aa0108b9dde4e99b0d3d5d679ac68c0f9"}, {"url": "https://git.kernel.org/stable/c/a4b191ddc12c55ddb62feb096536f819f384d6f1"}, {"url": "https://git.kernel.org/stable/c/f7cf8ece8cee3c1ee361991470cdb1eb65ab02e8"}], "title": "net: caif: clear client service pointer on teardown", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/caif/cfsrvl.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "cffca7a18b8f9de7c3d3013a1f5740c412b2a501", "status": "affected", "version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "versionType": "git"}, {"lessThan": "7ef97d4675b05a103648bd9244d91dff7d8c08b0", "status": "affected", "version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "versionType": "git"}, {"lessThan": "e16859f3f4426fa349bc5519d582a93d28f5a15d", "status": "affected", "version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "versionType": "git"}, {"lessThan": "914c6456fcfc21a3d553945dff62fd1621d6155d", "status": "affected", "version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "versionType": "git"}, {"lessThan": "3ac6db584d9d420267bb8413115707eeec76d9cf", "status": "affected", "version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "versionType": "git"}, {"lessThan": "63d21a3aa0108b9dde4e99b0d3d5d679ac68c0f9", "status": "affected", "version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "versionType": "git"}, {"lessThan": "a4b191ddc12c55ddb62feb096536f819f384d6f1", "status": "affected", "version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "versionType": "git"}, {"lessThan": "f7cf8ece8cee3c1ee361991470cdb1eb65ab02e8", "status": "affected", "version": "43e3692101086add8719c3b8b50b05c9ac5b14e1", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/caif/cfsrvl.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.0"}, {"lessThan": "3.0", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.258", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.209", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.175", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.140", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.86", "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"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: caif: clear client service pointer on teardown\n\n`caif_connect()` can tear down an existing client after remote shutdown by\ncalling `caif_disconnect_client()` followed by `caif_free_client()`.\n`caif_free_client()` releases the service layer referenced by\n`adap_layer->dn`, but leaves that pointer stale.\n\nWhen the socket is later destroyed, `caif_sock_destructor()` calls\n`caif_free_client()` again and dereferences the freed service pointer.\n\nClear the client/service links before releasing the service object so\nrepeated teardown becomes harmless."}], "id": "CVE-2026-46098", "lastModified": "2026-06-17T10:53:03.780", "metrics": {}, "published": "2026-05-27T14:17:31.453", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3ac6db584d9d420267bb8413115707eeec76d9cf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/63d21a3aa0108b9dde4e99b0d3d5d679ac68c0f9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7ef97d4675b05a103648bd9244d91dff7d8c08b0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/914c6456fcfc21a3d553945dff62fd1621d6155d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a4b191ddc12c55ddb62feb096536f819f384d6f1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cffca7a18b8f9de7c3d3013a1f5740c412b2a501"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e16859f3f4426fa349bc5519d582a93d28f5a15d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f7cf8ece8cee3c1ee361991470cdb1eb65ab02e8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: net: caif: clear client service pointer on teardown", "id": "2482056", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482056"}, "csaw": false, "cwe": "CWE-1341", "details": ["A flaw was found in the Linux kernel's CAIF network module. When a client is torn down, the `caif_free_client()` function frees a service pointer but leaves it in a stale state. If the socket is later destroyed, `caif_free_client()` may be called again, attempting to use the previously freed pointer. This can lead to memory corruption and potentially cause a system crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-46098", "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": "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-2026-46098\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46098\nhttps://lore.kernel.org/linux-cve-announce/2026052704-CVE-2026-46098-ec82@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[43e3692101086add8719c3b8b50b05c9ac5b14e1,914c6456fcfc21a3d553945dff62fd1621d6155d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[43e3692101086add8719c3b8b50b05c9ac5b14e1,3ac6db584d9d420267bb8413115707eeec76d9cf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[43e3692101086add8719c3b8b50b05c9ac5b14e1,63d21a3aa0108b9dde4e99b0d3d5d679ac68c0f9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[43e3692101086add8719c3b8b50b05c9ac5b14e1,a4b191ddc12c55ddb62feb096536f819f384d6f1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[43e3692101086add8719c3b8b50b05c9ac5b14e1,f7cf8ece8cee3c1ee361991470cdb1eb65ab02e8)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "3.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.140,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.86,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.27,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.4,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-27T20:15:16.209282+00:00", "updated": "2026-05-28T05:45:05.910952+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}