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{
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"data_version" : "4.0" ,
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"data_type" : "CVE" ,
"data_format" : "MITRE" ,
"CVE_data_meta" : {
"ID" : "CVE-2024-26671" ,
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"ASSIGNER" : "cve@kernel.org" ,
"STATE" : "PUBLIC"
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} ,
"description" : {
"description_data" : [
{
"lang" : "eng" ,
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"value" : "In the Linux kernel, the following vulnerability has been resolved:\n\nblk-mq: fix IO hang from sbitmap wakeup race\n\nIn blk_mq_mark_tag_wait(), __add_wait_queue() may be re-ordered\nwith the following blk_mq_get_driver_tag() in case of getting driver\ntag failure.\n\nThen in __sbitmap_queue_wake_up(), waitqueue_active() may not observe\nthe added waiter in blk_mq_mark_tag_wait() and wake up nothing, meantime\nblk_mq_mark_tag_wait() can't get driver tag successfully.\n\nThis issue can be reproduced by running the following test in loop, and\nfio hang can be observed in < 30min when running it on my test VM\nin laptop.\n\n\tmodprobe -r scsi_debug\n\tmodprobe scsi_debug delay=0 dev_size_mb=4096 max_queue=1 host_max_queue=1 submit_queues=4\n\tdev=`ls -d /sys/bus/pseudo/drivers/scsi_debug/adapter*/host*/target*/*/block/* | head -1 | xargs basename`\n\tfio --filename=/dev/\"$dev\" --direct=1 --rw=randrw --bs=4k --iodepth=1 \\\n \t\t--runtime=100 --numjobs=40 --time_based --name=test \\\n \t--ioengine=libaio\n\nFix the issue by adding one explicit barrier in blk_mq_mark_tag_wait(), which\nis just fine in case of running out of tag."
}
]
} ,
"problemtype" : {
"problemtype_data" : [
{
"description" : [
{
"lang" : "eng" ,
"value" : "n/a"
}
]
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}
]
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} ,
"affects" : {
"vendor" : {
"vendor_data" : [
{
"vendor_name" : "Linux" ,
"product" : {
"product_data" : [
{
"product_name" : "Linux" ,
"version" : {
"version_data" : [
{
"version_affected" : "<" ,
"version_name" : "1da177e4c3f4" ,
"version_value" : "9525b38180e2"
} ,
{
"version_value" : "not down converted" ,
"x_cve_json_5_version_data" : {
"versions" : [
{
"version" : "4.19.307" ,
"lessThanOrEqual" : "4.19.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "5.4.269" ,
"lessThanOrEqual" : "5.4.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "5.10.210" ,
"lessThanOrEqual" : "5.10.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "5.15.149" ,
"lessThanOrEqual" : "5.15.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "6.1.77" ,
"lessThanOrEqual" : "6.1.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "6.6.16" ,
"lessThanOrEqual" : "6.6.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "6.7.4" ,
"lessThanOrEqual" : "6.7.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "6.8" ,
"lessThanOrEqual" : "*" ,
"status" : "unaffected" ,
"versionType" : "original_commit_for_fix"
}
] ,
"defaultStatus" : "affected"
}
}
]
}
}
]
}
}
]
}
} ,
"references" : {
"reference_data" : [
{
"url" : "https://git.kernel.org/stable/c/9525b38180e2753f0daa1a522b7767a2aa969676" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/9525b38180e2753f0daa1a522b7767a2aa969676"
} ,
{
"url" : "https://git.kernel.org/stable/c/ecd7744a1446eb02ccc63e493e2eb6ede4ef1e10" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/ecd7744a1446eb02ccc63e493e2eb6ede4ef1e10"
} ,
{
"url" : "https://git.kernel.org/stable/c/7610ba1319253225a9ba8a9d28d472fc883b4e2f" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/7610ba1319253225a9ba8a9d28d472fc883b4e2f"
} ,
{
"url" : "https://git.kernel.org/stable/c/89e0e66682e1538aeeaa3109503473663cd24c8b" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/89e0e66682e1538aeeaa3109503473663cd24c8b"
} ,
{
"url" : "https://git.kernel.org/stable/c/1d9c777d3e70bdc57dddf7a14a80059d65919e56" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/1d9c777d3e70bdc57dddf7a14a80059d65919e56"
} ,
{
"url" : "https://git.kernel.org/stable/c/6d8b01624a2540336a32be91f25187a433af53a0" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/6d8b01624a2540336a32be91f25187a433af53a0"
} ,
{
"url" : "https://git.kernel.org/stable/c/f1bc0d8163f8ee84a8d5affdf624cfad657df1d2" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/f1bc0d8163f8ee84a8d5affdf624cfad657df1d2"
} ,
{
"url" : "https://git.kernel.org/stable/c/5266caaf5660529e3da53004b8b7174cab6374ed" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/5266caaf5660529e3da53004b8b7174cab6374ed"
}
]
} ,
"generator" : {
2024-11-05 10:03:53 +00:00
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