| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/pseries: Fix dtl_access_lock to be a rw_semaphore\n\nThe dtl_access_lock needs to be a rw_sempahore, a sleeping lock, because\nthe code calls kmalloc() while holding it, which can sleep:\n\n # echo 1 > /proc/powerpc/vcpudispatch_stats\n BUG: sleeping function called from invalid context at include/linux/sched/mm.h:337\n in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 199, name: sh\n preempt_count: 1, expected: 0\n 3 locks held by sh/199:\n #0: c00000000a0743f8 (sb_writers#3){.+.+}-{0:0}, at: vfs_write+0x324/0x438\n #1: c0000000028c7058 (dtl_enable_mutex){+.+.}-{3:3}, at: vcpudispatch_stats_write+0xd4/0x5f4\n #2: c0000000028c70b8 (dtl_access_lock){+.+.}-{2:2}, at: vcpudispatch_stats_write+0x220/0x5f4\n CPU: 0 PID: 199 Comm: sh Not tainted 6.10.0-rc4 #152\n Hardware name: IBM pSeries (emulated by qemu) POWER9 (raw) 0x4e1202 0xf000005 of:SLOF,HEAD hv:linux,kvm pSeries\n Call Trace:\n dump_stack_lvl+0x130/0x148 (unreliable)\n __might_resched+0x174/0x410\n kmem_cache_alloc_noprof+0x340/0x3d0\n alloc_dtl_buffers+0x124/0x1ac\n vcpudispatch_stats_write+0x2a8/0x5f4\n proc_reg_write+0xf4/0x150\n vfs_write+0xfc/0x438\n ksys_write+0x88/0x148\n system_call_exception+0x1c4/0x5a0\n system_call_common+0xf4/0x258" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "arch/powerpc/include/asm/dtl.h", |
| "arch/powerpc/platforms/pseries/dtl.c", |
| "arch/powerpc/platforms/pseries/lpar.c" |
| ], |
| "versions": [ |
| { |
| "version": "06220d78f24a20549757be1014e57c382406cc92", |
| "lessThan": "6956c0e7346ce1bbfc726755aa8da10d26e84276", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "06220d78f24a20549757be1014e57c382406cc92", |
| "lessThan": "f6ec133668757f84e5143f1eb141fd0b83778b9e", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "06220d78f24a20549757be1014e57c382406cc92", |
| "lessThan": "fa5b5ea257135e771b489c83a2e93b5935d0108e", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "06220d78f24a20549757be1014e57c382406cc92", |
| "lessThan": "a246daa26b717e755ccc9061f47f7cd1c0b358dd", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "06220d78f24a20549757be1014e57c382406cc92", |
| "lessThan": "b125d0cf1adde7b2b47d7337fed7e9133eea3463", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "06220d78f24a20549757be1014e57c382406cc92", |
| "lessThan": "525e18f1ba7c2b098c8ba587fb397efb34a6574c", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "06220d78f24a20549757be1014e57c382406cc92", |
| "lessThan": "cadae3a45d23aa4f6485938a67cbc47aaaa25e38", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "arch/powerpc/include/asm/dtl.h", |
| "arch/powerpc/platforms/pseries/dtl.c", |
| "arch/powerpc/platforms/pseries/lpar.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.3", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.3", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.231", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.174", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.120", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.64", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.11.11", |
| "lessThanOrEqual": "6.11.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12.2", |
| "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:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.3", |
| "versionEndExcluding": "5.10.231" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.3", |
| "versionEndExcluding": "5.15.174" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.3", |
| "versionEndExcluding": "6.1.120" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.3", |
| "versionEndExcluding": "6.6.64" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.3", |
| "versionEndExcluding": "6.11.11" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.3", |
| "versionEndExcluding": "6.12.2" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.3", |
| "versionEndExcluding": "6.13" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/6956c0e7346ce1bbfc726755aa8da10d26e84276" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/f6ec133668757f84e5143f1eb141fd0b83778b9e" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/fa5b5ea257135e771b489c83a2e93b5935d0108e" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/a246daa26b717e755ccc9061f47f7cd1c0b358dd" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b125d0cf1adde7b2b47d7337fed7e9133eea3463" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/525e18f1ba7c2b098c8ba587fb397efb34a6574c" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/cadae3a45d23aa4f6485938a67cbc47aaaa25e38" |
| } |
| ], |
| "title": "powerpc/pseries: Fix dtl_access_lock to be a rw_semaphore", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-56701", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
