| { |
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| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: Fix sleeping in invalid context in die()\n\ndie() can be called in exception handler, and therefore cannot sleep.\nHowever, die() takes spinlock_t which can sleep with PREEMPT_RT enabled.\nThat causes the following warning:\n\nBUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48\nin_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 285, name: mutex\npreempt_count: 110001, expected: 0\nRCU nest depth: 0, expected: 0\nCPU: 0 UID: 0 PID: 285 Comm: mutex Not tainted 6.12.0-rc7-00022-ge19049cf7d56-dirty #234\nHardware name: riscv-virtio,qemu (DT)\nCall Trace:\n dump_backtrace+0x1c/0x24\n show_stack+0x2c/0x38\n dump_stack_lvl+0x5a/0x72\n dump_stack+0x14/0x1c\n __might_resched+0x130/0x13a\n rt_spin_lock+0x2a/0x5c\n die+0x24/0x112\n do_trap_insn_illegal+0xa0/0xea\n _new_vmalloc_restore_context_a0+0xcc/0xd8\nOops - illegal instruction [#1]\n\nSwitch to use raw_spinlock_t, which does not sleep even with PREEMPT_RT\nenabled." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "arch/riscv/kernel/traps.c" |
| ], |
| "versions": [ |
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| "lessThan": "8c38baa03ac8e18140faf36a3b955d30cad48e74", |
| "status": "affected", |
| "versionType": "git" |
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| "lessThan": "10c24df2e303f517fab0359392c11b6b1d553f2b", |
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| } |
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| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "arch/riscv/kernel/traps.c" |
| ], |
| "versions": [ |
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| "status": "affected" |
| }, |
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| "status": "unaffected", |
| "versionType": "semver" |
| }, |
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| "version": "5.10.234", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.177", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.125", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.72", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12.10", |
| "lessThanOrEqual": "6.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.13", |
| "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:*:*:*:*:*:*:*:*", |
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| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/8c38baa03ac8e18140faf36a3b955d30cad48e74" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/10c24df2e303f517fab0359392c11b6b1d553f2b" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/c21df31fc2a4afc02a6e56511364e9e793ea92ec" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/f48f060a4b36b5e96628f6c3fb1540f1e8dedb69" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/76ab0afcdbe8c9685b589016ee1c0e25fe596707" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/6a97f4118ac07cfdc316433f385dbdc12af5025e" |
| } |
| ], |
| "title": "riscv: Fix sleeping in invalid context in die()", |
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| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-57939", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
