206 lines
10 KiB
JSON
206 lines
10 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-2026-98725",
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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": "2026-09-25T10:25:14.366Z",
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"datePublished": "2026-10-18T15:47:02.735Z",
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"dateUpdated": "2026-10-30T12:39:06.682Z"
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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": "2026-10-30T12:39:06.682Z"
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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\nnvmet-auth: fix out-of-bounds write in nvmet_auth_challenge()\n\nnvmet_auth_challenge() receives its output buffer as a void pointer.\nsizeof(*d) therefore evaluates to one with GCC and undercounts the fixed\nchallenge header by 15 bytes. A short AUTH_RECEIVE buffer can pass the\ncheck before the challenge is copied past the end of its allocation.\n\nUse the typed challenge pointer when calculating the response size.\n\n BUG: KASAN: slab-out-of-bounds in nvmet_execute_auth_receive (drivers/nvme/target/fabrics-cmd-auth.c:442 drivers/nvme/target/fabrics-cmd-auth.c:569)\n Write of size 32 by task kworker/1:1H/64\n Workqueue: nvmet_tcp_wq nvmet_tcp_io_work\n Call Trace:\n nvmet_execute_auth_receive (drivers/nvme/target/fabrics-cmd-auth.c:442 drivers/nvme/target/fabrics-cmd-auth.c:569)\n nvmet_tcp_try_recv_pdu (drivers/nvme/target/tcp.c:1119 drivers/nvme/target/tcp.c:1243)\n nvmet_tcp_io_work (drivers/nvme/target/tcp.c:1350 drivers/nvme/target/tcp.c:1382 drivers/nvme/target/tcp.c:1445)\n process_one_work (kernel/workqueue.c:3322)\n worker_thread (kernel/workqueue.c:3405 kernel/workqueue.c:3486)\n kthread (kernel/kthread.c:436)\n ret_from_fork (arch/x86/kernel/process.c:158)\n ret_from_fork_asm (arch/x86/entry/entry_64.S:245)\n The buggy address is located 16 bytes inside of\n allocated 33-byte region [ffff888000554e80, ffff888000554ea1)\n Kernel panic - not syncing: KASAN: panic_on_warn set ..."
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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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"drivers/nvme/target/fabrics-cmd-auth.c"
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],
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"versions": [
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{
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"version": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
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"lessThan": "e94ff1771c4cb398749789557f0b6feb871e3486",
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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": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
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"lessThan": "ef4dfad231a787aded76e5b03788ddb18c8aebab",
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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": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
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"lessThan": "9d61131acd742cf97ee64e453383e41b46568513",
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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": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
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"lessThan": "7fd3c363eba4f2aceb4b3f31cd1cf65e0dcbaee4",
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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": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
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"lessThan": "8a9b4c0eef19c207663c1ee888257307c869ca86",
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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": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
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"lessThan": "fa6778e030bed9841ddcdf96bc7018da9ac03562",
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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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"drivers/nvme/target/fabrics-cmd-auth.c"
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],
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"versions": [
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{
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"version": "6.0",
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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": "6.0",
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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": "6.0",
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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": "6.0",
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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": "6.0",
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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": "6.0",
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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": "6.0",
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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": "6.0",
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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/e94ff1771c4cb398749789557f0b6feb871e3486"
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},
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{
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"url": "https://git.kernel.org/stable/c/ef4dfad231a787aded76e5b03788ddb18c8aebab"
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},
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{
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"url": "https://git.kernel.org/stable/c/9d61131acd742cf97ee64e453383e41b46568513"
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},
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{
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"url": "https://git.kernel.org/stable/c/7fd3c363eba4f2aceb4b3f31cd1cf65e0dcbaee4"
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},
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{
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"url": "https://git.kernel.org/stable/c/8a9b4c0eef19c207663c1ee888257307c869ca86"
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},
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{
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"url": "https://git.kernel.org/stable/c/fa6778e030bed9841ddcdf96bc7018da9ac03562"
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}
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],
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"title": "nvmet-auth: fix out-of-bounds write in nvmet_auth_challenge()",
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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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} |