219 lines
11 KiB
JSON
219 lines
11 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-2026-23205",
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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": "2026-01-13T15:37:45.986Z",
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"datePublished": "2026-02-14T16:27:28.409Z",
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"dateUpdated": "2026-05-23T16:04:10.175Z"
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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": "2026-05-23T16:04:10.175Z"
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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\nsmb/client: fix memory leak in smb2_open_file()\n\nReproducer:\n\n 1. server: directories are exported read-only\n 2. client: mount -t cifs //${server_ip}/export /mnt\n 3. client: dd if=/dev/zero of=/mnt/file bs=512 count=1000 oflag=direct\n 4. client: umount /mnt\n 5. client: sleep 1\n 6. client: modprobe -r cifs\n\nThe error message is as follows:\n\n =============================================================================\n BUG cifs_small_rq (Not tainted): Objects remaining on __kmem_cache_shutdown()\n -----------------------------------------------------------------------------\n\n Object 0x00000000d47521be @offset=14336\n ...\n WARNING: mm/slub.c:1251 at __kmem_cache_shutdown+0x34e/0x440, CPU#0: modprobe/1577\n ...\n Call Trace:\n <TASK>\n kmem_cache_destroy+0x94/0x190\n cifs_destroy_request_bufs+0x3e/0x50 [cifs]\n cleanup_module+0x4e/0x540 [cifs]\n __se_sys_delete_module+0x278/0x400\n __x64_sys_delete_module+0x5f/0x70\n x64_sys_call+0x2299/0x2ff0\n do_syscall_64+0x89/0x350\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n ...\n kmem_cache_destroy cifs_small_rq: Slab cache still has objects when called from cifs_destroy_request_bufs+0x3e/0x50 [cifs]\n WARNING: mm/slab_common.c:532 at kmem_cache_destroy+0x16b/0x190, CPU#0: modprobe/1577"
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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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"fs/smb/client/smb2file.c"
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],
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"versions": [
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{
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"version": "17e53a15e64b65623b8f2b1185d27d7b1cbf69ab",
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"lessThan": "743f70406264348c0830f38409eb6c40a42fb2db",
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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": "18066188eb90cc0c798f3370a8078a79ddb73f70",
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"lessThan": "3a6d6b332f92990958602c1e35ce0173e2dd62e9",
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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": "6ebb9d54eccc8026b386e76eff69364d33373da5",
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"lessThan": "b64e3b5d8d759dd4333992e4ba4dadf9359952c8",
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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": "e255612b5ed9f179abe8196df7c2ba09dd227900",
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"lessThan": "9ee608a64e37cea5b4b13e436c559dd0fb2ad1b5",
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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": "e255612b5ed9f179abe8196df7c2ba09dd227900",
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"lessThan": "e3a43633023e3cacaca60d4b8972d084a2b06236",
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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": "bcd15f06c7e8904116cfb06526bcc189b86aff85",
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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": "6.1.141",
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"lessThan": "6.1.163",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.6.93",
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"lessThan": "6.6.124",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.12.31",
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"lessThan": "6.12.70",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.14.9",
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"lessThan": "6.15",
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"status": "affected",
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"versionType": "semver"
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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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"fs/smb/client/smb2file.c"
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],
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"versions": [
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{
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"version": "6.15",
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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": "6.15",
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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": "6.1.163",
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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": "6.6.124",
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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": "6.12.70",
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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": "6.18.10",
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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": "6.19",
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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": "6.1.141",
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"versionEndExcluding": "6.1.163"
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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": "6.6.93",
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"versionEndExcluding": "6.6.124"
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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": "6.12.31",
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"versionEndExcluding": "6.12.70"
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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": "6.15",
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"versionEndExcluding": "6.18.10"
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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": "6.15",
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"versionEndExcluding": "6.19"
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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": "6.14.9"
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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/743f70406264348c0830f38409eb6c40a42fb2db"
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},
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{
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"url": "https://git.kernel.org/stable/c/3a6d6b332f92990958602c1e35ce0173e2dd62e9"
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},
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{
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"url": "https://git.kernel.org/stable/c/b64e3b5d8d759dd4333992e4ba4dadf9359952c8"
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},
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{
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"url": "https://git.kernel.org/stable/c/9ee608a64e37cea5b4b13e436c559dd0fb2ad1b5"
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},
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{
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"url": "https://git.kernel.org/stable/c/e3a43633023e3cacaca60d4b8972d084a2b06236"
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}
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],
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"title": "smb/client: fix memory leak in smb2_open_file()",
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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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} |