| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, sockmap: Fix NULL pointer dereference in sk_psock_verdict_data_ready()\n\nsyzbot reported the following NULL pointer dereference issue [1]:\n\n BUG: kernel NULL pointer dereference, address: 0000000000000000\n [...]\n RIP: 0010:0x0\n [...]\n Call Trace:\n <TASK>\n sk_psock_verdict_data_ready+0x232/0x340 net/core/skmsg.c:1230\n unix_stream_sendmsg+0x9b4/0x1230 net/unix/af_unix.c:2293\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg+0x221/0x270 net/socket.c:745\n ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584\n ___sys_sendmsg net/socket.c:2638 [inline]\n __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667\n do_syscall_64+0xf9/0x240\n entry_SYSCALL_64_after_hwframe+0x6f/0x77\n\nIf sk_psock_verdict_data_ready() and sk_psock_stop_verdict() are called\nconcurrently, psock->saved_data_ready can be NULL, causing the above issue.\n\nThis patch fixes this issue by calling the appropriate data ready function\nusing the sk_psock_data_ready() helper and protecting it from concurrency\nwith sk->sk_callback_lock." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/core/skmsg.c" |
| ], |
| "versions": [ |
| { |
| "version": "dd628fc697ee59b76bd3877c4bd13f07ccc3776f", |
| "lessThan": "4588b13abcbd561ec67f5b3c1cb2eff690990a54", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "6df7f764cd3cf5a03a4a47b23be47e57e41fcd85", |
| "lessThan": "9b099ed46dcaf1403c531ff02c3d7400fa37fa26", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "6df7f764cd3cf5a03a4a47b23be47e57e41fcd85", |
| "lessThan": "d61608a4e394f23e0dca099df9eb8e555453d949", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "6df7f764cd3cf5a03a4a47b23be47e57e41fcd85", |
| "lessThan": "4cd12c6065dfcdeba10f49949bffcf383b3952d8", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "d3cbd7c571446a876aefd8320500300b2c951c58", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/core/skmsg.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.4", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.4", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.80", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.19", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.7.7", |
| "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": "6.1.32", |
| "versionEndExcluding": "6.1.80" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.4", |
| "versionEndExcluding": "6.6.19" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.4", |
| "versionEndExcluding": "6.7.7" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.4", |
| "versionEndExcluding": "6.8" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.3.6" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/4588b13abcbd561ec67f5b3c1cb2eff690990a54" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/9b099ed46dcaf1403c531ff02c3d7400fa37fa26" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/d61608a4e394f23e0dca099df9eb8e555453d949" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/4cd12c6065dfcdeba10f49949bffcf383b3952d8" |
| } |
| ], |
| "title": "bpf, sockmap: Fix NULL pointer dereference in sk_psock_verdict_data_ready()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-26731", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
