248 lines
12 KiB
JSON
248 lines
12 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-98850",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-09-25T10:25:14.376Z",
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"datePublished": "2026-10-18T15:50:50.062Z",
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"dateUpdated": "2026-10-30T12:40:11.960Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-10-30T12:40:11.960Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/packet: prevent TX_RING byte count overflow\n\ntpacket_snd() drains every SEND_REQUEST frame in a TX ring and adds\neach valid packet length to the signed int len_sum. Userspace can\nrecycle completed frames concurrently, so a single blocking send call\nis not bounded by the ring size.\n\nAfter enough successful transmissions len_sum wraps into the negative\nrange. In particular, 65536 65535-byte frames followed by a 65007-byte\nframe produce 0xfffffdef, or -EIOCBQUEUED. sock_sendmsg_nosec() treats\nthat as an impossible return and triggers a BUG. On systems configured\nto panic on oops, a CAP_NET_RAW holder can panic the host kernel.\n\nStop before the next frame would make the byte count exceed INT_MAX.\nThe positive short count leaves that frame pending for a later send\ncall.\n\nA two-thread TPACKET_V2 reproducer triggered the BUG on an arm64 build\nof Linux 7.3-rc4. With this change, the same reproducer returned the\nexpected positive short count without an oops."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"net/packet/af_packet.c"
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],
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"versions": [
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{
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"version": "69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1",
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"lessThan": "1e6ee93cea4b77253b1b81eb5759899f959ebee3",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1",
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"lessThan": "70fefff0801d4c5405e515592d1e7ad1351530cd",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1",
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"lessThan": "4848c175b5984e6358bcca794ac1dee4d527efcc",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1",
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"lessThan": "ae169d318d5d23bac76ece90a7e2b5cb760ed043",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1",
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"lessThan": "be12b221c0301111eeb023be04add3c6ad7c21fe",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1",
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"lessThan": "69ca64bbb528898916f309552053c32a04a36ebc",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1",
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"lessThan": "9fd63d284e251332f4874ef9023cde472f315f86",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1",
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"lessThan": "2cf81fc9505b148b1b70068303ea6ea4b1212403",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"net/packet/af_packet.c"
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],
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"versions": [
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{
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"version": "2.6.31",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "2.6.31",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.273",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.224",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.191",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.160",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.113",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.56",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.2.10",
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"lessThanOrEqual": "7.2.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.3",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.31",
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"versionEndExcluding": "5.10.273"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.31",
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"versionEndExcluding": "5.15.224"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.31",
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"versionEndExcluding": "6.1.191"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.31",
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"versionEndExcluding": "6.6.160"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.31",
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"versionEndExcluding": "6.12.113"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.31",
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"versionEndExcluding": "6.18.56"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.31",
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"versionEndExcluding": "7.2.10"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.31",
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"versionEndExcluding": "7.3"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/1e6ee93cea4b77253b1b81eb5759899f959ebee3"
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},
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{
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"url": "https://git.kernel.org/stable/c/70fefff0801d4c5405e515592d1e7ad1351530cd"
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},
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{
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"url": "https://git.kernel.org/stable/c/4848c175b5984e6358bcca794ac1dee4d527efcc"
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},
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{
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"url": "https://git.kernel.org/stable/c/ae169d318d5d23bac76ece90a7e2b5cb760ed043"
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},
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{
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"url": "https://git.kernel.org/stable/c/be12b221c0301111eeb023be04add3c6ad7c21fe"
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},
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{
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"url": "https://git.kernel.org/stable/c/69ca64bbb528898916f309552053c32a04a36ebc"
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},
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{
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"url": "https://git.kernel.org/stable/c/9fd63d284e251332f4874ef9023cde472f315f86"
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},
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{
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"url": "https://git.kernel.org/stable/c/2cf81fc9505b148b1b70068303ea6ea4b1212403"
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}
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],
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"title": "net/packet: prevent TX_RING byte count overflow",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |