| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix NULL deref in cleanup_bearer()\n\nsyzbot found [1] that after blamed commit, ub->ubsock->sk\nwas NULL when attempting the atomic_dec() :\n\natomic_dec(&tipc_net(sock_net(ub->ubsock->sk))->wq_count);\n\nFix this by caching the tipc_net pointer.\n\n[1]\n\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]\nCPU: 0 UID: 0 PID: 5896 Comm: kworker/0:3 Not tainted 6.13.0-rc1-next-20241203-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nWorkqueue: events cleanup_bearer\n RIP: 0010:read_pnet include/net/net_namespace.h:387 [inline]\n RIP: 0010:sock_net include/net/sock.h:655 [inline]\n RIP: 0010:cleanup_bearer+0x1f7/0x280 net/tipc/udp_media.c:820\nCode: 18 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 3c f7 99 f6 48 8b 1b 48 83 c3 30 e8 f0 e4 60 00 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 1a f7 99 f6 49 83 c7 e8 48 8b 1b\nRSP: 0018:ffffc9000410fb70 EFLAGS: 00010206\nRAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff88802fe45a00\nRDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc9000410f900\nRBP: ffff88807e1f0908 R08: ffffc9000410f907 R09: 1ffff92000821f20\nR10: dffffc0000000000 R11: fffff52000821f21 R12: ffff888031d19980\nR13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88807e1f0918\nFS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000556ca050b000 CR3: 0000000031c0c000 CR4: 00000000003526f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/tipc/udp_media.c" |
| ], |
| "versions": [ |
| { |
| "version": "4e69457f9dfae67435f3ccf29008768eae860415", |
| "lessThan": "d1d4dfb189a115734bff81c411bc58d9e348db7d", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "650ee9a22d7a2de8999fac2d45983597a0c22359", |
| "lessThan": "a771f349c95d3397636861a0a6462d4a7a7ecb25", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "d2a4894f238551eae178904e7f45af87577074fd", |
| "lessThan": "07b569eda6fe6a1e83be5a587abee12d1303f95e", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "d62d5180c036eeac09f80660edc7a602b369125f", |
| "lessThan": "754ec823ee53422361da7958a8c8bf3275426912", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "d00d4470bf8c4282617a3a10e76b20a9c7e4cffa", |
| "lessThan": "89ecda492d0a37fd00aaffc4151f1f44c26d93ac", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "e48b211c4c59062cb6dd6c2c37c51a7cc235a464", |
| "lessThan": "a852c82eda4991e21610837aaa160965be71f5cc", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "6a2fa13312e51a621f652d522d7e2df7066330b6", |
| "lessThan": "b04d86fff66b15c07505d226431f808c15b1703c", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/tipc/udp_media.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.4.287", |
| "lessThan": "5.4.288", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.231", |
| "lessThan": "5.10.232", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.174", |
| "lessThan": "5.15.175", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.120", |
| "lessThan": "6.1.121", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.66", |
| "lessThan": "6.6.67", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12.5", |
| "lessThan": "6.12.6", |
| "status": "affected", |
| "versionType": "semver" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4.287", |
| "versionEndExcluding": "5.4.288" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.10.231", |
| "versionEndExcluding": "5.10.232" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.15.174", |
| "versionEndExcluding": "5.15.175" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.1.120", |
| "versionEndExcluding": "6.1.121" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.6.66", |
| "versionEndExcluding": "6.6.67" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.12.5", |
| "versionEndExcluding": "6.12.6" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/d1d4dfb189a115734bff81c411bc58d9e348db7d" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/a771f349c95d3397636861a0a6462d4a7a7ecb25" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/07b569eda6fe6a1e83be5a587abee12d1303f95e" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/754ec823ee53422361da7958a8c8bf3275426912" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/89ecda492d0a37fd00aaffc4151f1f44c26d93ac" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/a852c82eda4991e21610837aaa160965be71f5cc" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b04d86fff66b15c07505d226431f808c15b1703c" |
| } |
| ], |
| "title": "tipc: fix NULL deref in cleanup_bearer()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-56661", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
