| { |
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| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched/smt: Fix unbalance sched_smt_present dec/inc\n\nI got the following warn report while doing stress test:\n\njump label: negative count!\nWARNING: CPU: 3 PID: 38 at kernel/jump_label.c:263 static_key_slow_try_dec+0x9d/0xb0\nCall Trace:\n <TASK>\n __static_key_slow_dec_cpuslocked+0x16/0x70\n sched_cpu_deactivate+0x26e/0x2a0\n cpuhp_invoke_callback+0x3ad/0x10d0\n cpuhp_thread_fun+0x3f5/0x680\n smpboot_thread_fn+0x56d/0x8d0\n kthread+0x309/0x400\n ret_from_fork+0x41/0x70\n ret_from_fork_asm+0x1b/0x30\n </TASK>\n\nBecause when cpuset_cpu_inactive() fails in sched_cpu_deactivate(),\nthe cpu offline failed, but sched_smt_present is decremented before\ncalling sched_cpu_deactivate(), it leads to unbalanced dec/inc, so\nfix it by incrementing sched_smt_present in the error path." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "kernel/sched/core.c" |
| ], |
| "versions": [ |
| { |
| "version": "c5511d03ec090980732e929c318a7a6374b5550e", |
| "lessThan": "2a3548c7ef2e135aee40e7e5e44e7d11b893e7c4", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c5511d03ec090980732e929c318a7a6374b5550e", |
| "lessThan": "2cf7665efe451e48d27953e6b5bc627d518c902b", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c5511d03ec090980732e929c318a7a6374b5550e", |
| "lessThan": "65727331b60197b742089855ac09464c22b96f66", |
| "status": "affected", |
| "versionType": "git" |
| }, |
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| "version": "c5511d03ec090980732e929c318a7a6374b5550e", |
| "lessThan": "d0c87a3c6be10a57aa3463c32c3fc6b2a47c3dab", |
| "status": "affected", |
| "versionType": "git" |
| }, |
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| "version": "c5511d03ec090980732e929c318a7a6374b5550e", |
| "lessThan": "e22f910a26cc2a3ac9c66b8e935ef2a7dd881117", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "01659361c63fdc91c0af239d08cdd211d590a656", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "a2c094816f894b7a265851fad858e994fa0f78b3", |
| "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/sched/core.c" |
| ], |
| "versions": [ |
| { |
| "version": "4.20", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "4.20", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.165", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.105", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.46", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.10.5", |
| "lessThanOrEqual": "6.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.11", |
| "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": "4.20", |
| "versionEndExcluding": "5.15.165" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.20", |
| "versionEndExcluding": "6.1.105" |
| }, |
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| "versionStartIncluding": "4.20", |
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| }, |
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| "versionStartIncluding": "4.20", |
| "versionEndExcluding": "6.11" |
| }, |
| { |
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| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.14.86" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.19.7" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/2a3548c7ef2e135aee40e7e5e44e7d11b893e7c4" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/2cf7665efe451e48d27953e6b5bc627d518c902b" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/65727331b60197b742089855ac09464c22b96f66" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/d0c87a3c6be10a57aa3463c32c3fc6b2a47c3dab" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/e22f910a26cc2a3ac9c66b8e935ef2a7dd881117" |
| } |
| ], |
| "title": "sched/smt: Fix unbalance sched_smt_present dec/inc", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-44958", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
