| { |
| "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: Use raw_spinlock_t in ringbuf\n\nThe function __bpf_ringbuf_reserve is invoked from a tracepoint, which\ndisables preemption. Using spinlock_t in this context can lead to a\n\"sleep in atomic\" warning in the RT variant. This issue is illustrated\nin the example below:\n\nBUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48\nin_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 556208, name: test_progs\npreempt_count: 1, expected: 0\nRCU nest depth: 1, expected: 1\nINFO: lockdep is turned off.\nPreemption disabled at:\n[<ffffd33a5c88ea44>] migrate_enable+0xc0/0x39c\nCPU: 7 PID: 556208 Comm: test_progs Tainted: G\nHardware name: Qualcomm SA8775P Ride (DT)\nCall trace:\n dump_backtrace+0xac/0x130\n show_stack+0x1c/0x30\n dump_stack_lvl+0xac/0xe8\n dump_stack+0x18/0x30\n __might_resched+0x3bc/0x4fc\n rt_spin_lock+0x8c/0x1a4\n __bpf_ringbuf_reserve+0xc4/0x254\n bpf_ringbuf_reserve_dynptr+0x5c/0xdc\n bpf_prog_ac3d15160d62622a_test_read_write+0x104/0x238\n trace_call_bpf+0x238/0x774\n perf_call_bpf_enter.isra.0+0x104/0x194\n perf_syscall_enter+0x2f8/0x510\n trace_sys_enter+0x39c/0x564\n syscall_trace_enter+0x220/0x3c0\n do_el0_svc+0x138/0x1dc\n el0_svc+0x54/0x130\n el0t_64_sync_handler+0x134/0x150\n el0t_64_sync+0x17c/0x180\n\nSwitch the spinlock to raw_spinlock_t to avoid this error." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "kernel/bpf/ringbuf.c" |
| ], |
| "versions": [ |
| { |
| "version": "457f44363a8894135c85b7a9afd2bd8196db24ab", |
| "lessThan": "5eb34999d118e69a20dc0c6556f315fcb0a1f8d3", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "457f44363a8894135c85b7a9afd2bd8196db24ab", |
| "lessThan": "f9543375d9b150b2bcf16bb182e6b62309db0888", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "457f44363a8894135c85b7a9afd2bd8196db24ab", |
| "lessThan": "ca30e682e5d6de44d12c4610767811c9a21d59ba", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "457f44363a8894135c85b7a9afd2bd8196db24ab", |
| "lessThan": "8b62645b09f870d70c7910e7550289d444239a46", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "kernel/bpf/ringbuf.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.8", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.8", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.115", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.84", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.11.6", |
| "lessThanOrEqual": "6.11.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12", |
| "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": "5.8", |
| "versionEndExcluding": "6.1.115" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.8", |
| "versionEndExcluding": "6.6.84" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.8", |
| "versionEndExcluding": "6.11.6" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.8", |
| "versionEndExcluding": "6.12" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/5eb34999d118e69a20dc0c6556f315fcb0a1f8d3" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/f9543375d9b150b2bcf16bb182e6b62309db0888" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/ca30e682e5d6de44d12c4610767811c9a21d59ba" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/8b62645b09f870d70c7910e7550289d444239a46" |
| } |
| ], |
| "title": "bpf: Use raw_spinlock_t in ringbuf", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-50138", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
