Files
vuln-cve/data/2026/43xxx/CVE-2026-43463.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-43463",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-01T14:12:56.010Z",
"datePublished": "2026-05-08T14:22:25.346Z",
"dateUpdated": "2026-11-06T15:42:55.893Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-21T12:40:48.202Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc, afs: Fix missing error pointer check after rxrpc_kernel_lookup_peer()\n\nrxrpc_kernel_lookup_peer() can also return error pointers in addition to\nNULL, so just checking for NULL is not sufficient.\n\nFix this by:\n\n (1) Changing rxrpc_kernel_lookup_peer() to return -ENOMEM rather than NULL\n on allocation failure.\n\n (2) Making the callers in afs use IS_ERR() and PTR_ERR() to pass on the\n error code returned."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/afs/addr_list.c",
"net/rxrpc/af_rxrpc.c"
],
"versions": [
{
"version": "72904d7b9bfbf2dd146254edea93958bc35bbbfe",
"lessThan": "d854c93b12f2076c564f595b41b93b02fd42a0f9",
"status": "affected",
"versionType": "git"
},
{
"version": "72904d7b9bfbf2dd146254edea93958bc35bbbfe",
"lessThan": "d55fa7cd4b19ba91b34b307d769c149e56ad0a75",
"status": "affected",
"versionType": "git"
},
{
"version": "72904d7b9bfbf2dd146254edea93958bc35bbbfe",
"lessThan": "54331c5dcc6d97683d7ca2788e7ef9c9505e1477",
"status": "affected",
"versionType": "git"
},
{
"version": "72904d7b9bfbf2dd146254edea93958bc35bbbfe",
"lessThan": "4245a79003adf30e67f8e9060915bd05cb31d142",
"status": "affected",
"versionType": "git"
},
{
"version": "056fc740be000d39a7dba700a935f3bbfbc664e6",
"status": "affected",
"versionType": "git"
},
{
"version": "6.7.3",
"lessThan": "6.8",
"status": "affected",
"versionType": "semver"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/afs/addr_list.c",
"net/rxrpc/af_rxrpc.c"
],
"versions": [
{
"version": "6.8",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.8",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.114",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.19",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19.9",
"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": "6.8",
"versionEndExcluding": "6.12.114"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.8",
"versionEndExcluding": "6.18.19"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.8",
"versionEndExcluding": "6.19.9"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.8",
"versionEndExcluding": "7.0"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.7.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/d854c93b12f2076c564f595b41b93b02fd42a0f9"
},
{
"url": "https://git.kernel.org/stable/c/d55fa7cd4b19ba91b34b307d769c149e56ad0a75"
},
{
"url": "https://git.kernel.org/stable/c/54331c5dcc6d97683d7ca2788e7ef9c9505e1477"
},
{
"url": "https://git.kernel.org/stable/c/4245a79003adf30e67f8e9060915bd05cb31d142"
}
],
"title": "rxrpc, afs: Fix missing error pointer check after rxrpc_kernel_lookup_peer()",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-43463",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-06T15:39:27.146019Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-06T15:42:55.893Z"
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]
}
}