RDMA/core: Prefer NLA_NUL_STRING
In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Prefer NLA_NUL_STRING These attributes are evaluated as c-string (passed to strcmp), but NLA_STRING doesn't check for the presence of a \0 terminator. Either this needs to switch to nla_strcmp() and needs to adjust printf fmt specifier to not use plain %s, or this needs to use NLA_NUL_STRING. As the code has been this way for long time, it seems to me that userspace does include the terminating nul, even tough its not enforced so far, and thus NLA_NUL_STRING use is the simpler solution.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.258, 5.15.209, 6.1.175, 6.12.91, 6.18.33, 6.6.141, 7.0.10
- CVEs
- CVE-2026-63860
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 22:42 UTC · Revision 1
Source evidence
In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Prefer NLA_NUL_STRING These attributes are evaluated as c-string (passed to strcmp), but NLA_STRING doesn't check for the presence of a \0 terminator. Either this needs to switch to nla_strcmp() and needs to adjust printf fmt specifier to not use plain %s, or this needs to use NLA_NUL_STRING. As the code has been this way for long time, it seems to me that userspace does include the terminating nul, even tough its not enforced so far, and thus NLA_NUL_STRING use is the simpler solution.
osv:CVE-2026-63860
Kernel
Fixed versions: 5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10
Complete source record
{
"id": "78d5b56724bf3ffe16f8bdeda363089adff5a6d1161d51e653b08bb86d5b58f3",
"url": "https://osv.dev/vulnerability/CVE-2026-63860",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "RDMA/core: Prefer NLA_NUL_STRING",
"summary": "In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Prefer NLA_NUL_STRING These attributes are evaluated as c-string (passed to strcmp), but NLA_STRING doesn't check for the presence of a \\0 terminator. Either this needs to switch to nla_strcmp() and needs to adjust printf fmt specifier to not use plain %s, or this needs to use NLA_NUL_STRING. As the code has been this way for long time, it seems to me that userspace does include the terminating nul, even tough its not enforced so far, and thus NLA_NUL_STRING use is the simpler solution.",
"evidence": "osv:CVE-2026-63860",
"products": [
{
"name": {
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"evidence": "/affected/1/package/name"
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"fixed_versions": [
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"value": "5.10.258",
"evidence": "/affected/1/ranges"
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{
"value": "5.15.209",
"evidence": "/affected/1/ranges"
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{
"value": "6.1.175",
"evidence": "/affected/1/ranges"
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{
"value": "6.6.141",
"evidence": "/affected/1/ranges"
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"evidence": "/affected/1/ranges"
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{
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"evidence": "/affected/1/ranges"
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{
"value": "7.0.10",
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"affected_versions": []
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"severity": "high",
"structured": {
"id": "CVE-2026-63860",
"aliases": [
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"metrics": [
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"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
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"affected": [
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{
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{
"type": "ECOSYSTEM",
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"package": {
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"modified": "2026-10-28T02:30:23.953867197Z",
"provider": "osv",
"references": [
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"https://git.kernel.org/stable/c/5877c043398d5fa0e93919a3d837e5cd7a98a961",
"https://git.kernel.org/stable/c/6ed3d14fc45d3da6025e7fe4a6a09066856698e2",
"https://git.kernel.org/stable/c/87111356d58d86edb221ba144d261ed83a5b8bbe",
"https://git.kernel.org/stable/c/abda65bdd13084c771842adaac1f652d0660dd82",
"https://git.kernel.org/stable/c/c26a0052cceed4c4d380ee5808b699f937fb58d8",
"https://git.kernel.org/stable/c/f2c7b39dde2e61df8157066969cc2a408cd3dcd9",
"https://git.kernel.org/stable/c/fcd07d3b8ee7a39b344d73aed69c1a68cd9eacdf",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63860.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-63860",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
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"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63860.json"
}
},
"related_cves": [
{
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"evidence": "/id"
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 490631,
"published_at": "2026-07-19T14:04:48.153+00:00"
}