| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnbd: always initialize struct msghdr completely\n\nsyzbot complains that msg->msg_get_inq value can be uninitialized [1]\n\nstruct msghdr got many new fields recently, we should always make\nsure their values is zero by default.\n\n[1]\n BUG: KMSAN: uninit-value in tcp_recvmsg+0x686/0xac0 net/ipv4/tcp.c:2571\n tcp_recvmsg+0x686/0xac0 net/ipv4/tcp.c:2571\n inet_recvmsg+0x131/0x580 net/ipv4/af_inet.c:879\n sock_recvmsg_nosec net/socket.c:1044 [inline]\n sock_recvmsg+0x12b/0x1e0 net/socket.c:1066\n __sock_xmit+0x236/0x5c0 drivers/block/nbd.c:538\n nbd_read_reply drivers/block/nbd.c:732 [inline]\n recv_work+0x262/0x3100 drivers/block/nbd.c:863\n process_one_work kernel/workqueue.c:2627 [inline]\n process_scheduled_works+0x104e/0x1e70 kernel/workqueue.c:2700\n worker_thread+0xf45/0x1490 kernel/workqueue.c:2781\n kthread+0x3ed/0x540 kernel/kthread.c:388\n ret_from_fork+0x66/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242\n\nLocal variable msg created at:\n __sock_xmit+0x4c/0x5c0 drivers/block/nbd.c:513\n nbd_read_reply drivers/block/nbd.c:732 [inline]\n recv_work+0x262/0x3100 drivers/block/nbd.c:863\n\nCPU: 1 PID: 7465 Comm: kworker/u5:1 Not tainted 6.7.0-rc7-syzkaller-00041-gf016f7547aee #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023\nWorkqueue: nbd5-recv recv_work" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/block/nbd.c" |
| ], |
| "versions": [ |
| { |
| "version": "f94fd25cb0aaf77fd7453f31c5d394a1a68ecf60", |
| "lessThan": "d9c54763e5cdbbd3f81868597fe8aca3c96e6387", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "f94fd25cb0aaf77fd7453f31c5d394a1a68ecf60", |
| "lessThan": "1960f2b534da1e6c65fb96f9e98bda773495f406", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "f94fd25cb0aaf77fd7453f31c5d394a1a68ecf60", |
| "lessThan": "b0028f333420a65a53a63978522db680b37379dd", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "f94fd25cb0aaf77fd7453f31c5d394a1a68ecf60", |
| "lessThan": "78fbb92af27d0982634116c7a31065f24d092826", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/block/nbd.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.19", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.19", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.76", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.15", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.7.3", |
| "lessThanOrEqual": "6.7.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.8", |
| "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": "5.19", |
| "versionEndExcluding": "6.1.76" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.19", |
| "versionEndExcluding": "6.6.15" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.19", |
| "versionEndExcluding": "6.7.3" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.19", |
| "versionEndExcluding": "6.8" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/d9c54763e5cdbbd3f81868597fe8aca3c96e6387" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/1960f2b534da1e6c65fb96f9e98bda773495f406" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b0028f333420a65a53a63978522db680b37379dd" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/78fbb92af27d0982634116c7a31065f24d092826" |
| } |
| ], |
| "title": "nbd: always initialize struct msghdr completely", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-26638", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
