| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtiofs: fix memory leak in virtio_fs_probe()\n\nWhen accidentally passing twice the same tag to qemu, kmemleak ended up\nreporting a memory leak in virtiofs. Also, looking at the log I saw the\nfollowing error (that's when I realised the duplicated tag):\n\n virtiofs: probe of virtio5 failed with error -17\n\nHere's the kmemleak log for reference:\n\nunreferenced object 0xffff888103d47800 (size 1024):\n comm \"systemd-udevd\", pid 118, jiffies 4294893780 (age 18.340s)\n hex dump (first 32 bytes):\n 00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N..........\n ff ff ff ff ff ff ff ff 80 90 02 a0 ff ff ff ff ................\n backtrace:\n [<000000000ebb87c1>] virtio_fs_probe+0x171/0x7ae [virtiofs]\n [<00000000f8aca419>] virtio_dev_probe+0x15f/0x210\n [<000000004d6baf3c>] really_probe+0xea/0x430\n [<00000000a6ceeac8>] device_driver_attach+0xa8/0xb0\n [<00000000196f47a7>] __driver_attach+0x98/0x140\n [<000000000b20601d>] bus_for_each_dev+0x7b/0xc0\n [<00000000399c7b7f>] bus_add_driver+0x11b/0x1f0\n [<0000000032b09ba7>] driver_register+0x8f/0xe0\n [<00000000cdd55998>] 0xffffffffa002c013\n [<000000000ea196a2>] do_one_initcall+0x64/0x2e0\n [<0000000008f727ce>] do_init_module+0x5c/0x260\n [<000000003cdedab6>] __do_sys_finit_module+0xb5/0x120\n [<00000000ad2f48c6>] do_syscall_64+0x33/0x40\n [<00000000809526b5>] entry_SYSCALL_64_after_hwframe+0x44/0xae" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "fs/fuse/virtio_fs.c" |
| ], |
| "versions": [ |
| { |
| "version": "a62a8ef9d97da23762a588592c8b8eb50a8deb6a", |
| "lessThan": "310efc95c72c13faf855c692d19cd4d054d827c8", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "a62a8ef9d97da23762a588592c8b8eb50a8deb6a", |
| "lessThan": "d19555ff225d0896a33246a49279e6d578095f15", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "a62a8ef9d97da23762a588592c8b8eb50a8deb6a", |
| "lessThan": "9b9d60c0eb8ada99cce2a9ab5c15dffc523b01ae", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "a62a8ef9d97da23762a588592c8b8eb50a8deb6a", |
| "lessThan": "5116e79fc6e6725b8acdad8b7e928a83ab7b47e6", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "a62a8ef9d97da23762a588592c8b8eb50a8deb6a", |
| "lessThan": "c79c5e0178922a9e092ec8fed026750f39dcaef4", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "fs/fuse/virtio_fs.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.4", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.4", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.118", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.36", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.11.20", |
| "lessThanOrEqual": "5.11.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.12.3", |
| "lessThanOrEqual": "5.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.13", |
| "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": "5.4", |
| "versionEndExcluding": "5.4.118" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4", |
| "versionEndExcluding": "5.10.36" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4", |
| "versionEndExcluding": "5.11.20" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4", |
| "versionEndExcluding": "5.12.3" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4", |
| "versionEndExcluding": "5.13" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/310efc95c72c13faf855c692d19cd4d054d827c8" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/d19555ff225d0896a33246a49279e6d578095f15" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/9b9d60c0eb8ada99cce2a9ab5c15dffc523b01ae" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/5116e79fc6e6725b8acdad8b7e928a83ab7b47e6" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/c79c5e0178922a9e092ec8fed026750f39dcaef4" |
| } |
| ], |
| "title": "virtiofs: fix memory leak in virtio_fs_probe()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-46956", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
