206 lines
10 KiB
JSON
206 lines
10 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-90190",
|
|
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "Linux",
|
|
"dateReserved": "2026-09-11T19:38:34.792Z",
|
|
"datePublished": "2026-09-17T16:07:11.654Z",
|
|
"dateUpdated": "2026-10-19T08:59:26.940Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"providerMetadata": {
|
|
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"shortName": "Linux",
|
|
"dateUpdated": "2026-10-19T08:59:26.940Z"
|
|
},
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnull_blk: use DEFINE_MUTEX for the file-scope mutex\n\nIn null_init(), mutex_init(&lock) currently happens after\nconfigfs_register_subsystem(), which exposes the nullb subsystem to\nuserspace. A racing mkdir() into /sys/kernel/config/nullb/ can reach\nnull_find_dev_by_name() -> mutex_lock(&lock) before the mutex is\ninitialized, trigger warning:\n\n[ 123.137788] DEBUG_LOCKS_WARN_ON(lock->magic != lock)\n[ 123.137796] WARNING: kernel/locking/mutex.c:159 at mutex_lock+0x171/0x1c0, CPU#13: mkdir/1301\n[ 123.140090] Modules linked in: null_blk(+) nft_fib_inet nft_fib_ipv4\n......\n[ 123.154926] Call Trace:\n[ 123.155172] <TASK>\n[ 123.155419] ? __pfx_mutex_lock+0x10/0x10\n[ 123.156181] ? __pfx__raw_spin_lock+0x10/0x10\n[ 123.156571] nullb_group_make_group+0x20/0x100 [null_blk]\n[ 123.157011] configfs_mkdir+0x47b/0xc70\n[ 123.157337] ? __pfx_configfs_mkdir+0x10/0x10\n[ 123.157719] ? may_create_dentry+0x242/0x2e0\n[ 123.158061] vfs_mkdir+0x2a9/0x6c0\n[ 123.158352] filename_mkdirat+0x3dc/0x500\n[ 123.158710] ? __pfx_filename_mkdirat+0x10/0x10\n[ 123.159070] ? strncpy_from_user+0x3a/0x1d0\n[ 123.159413] __x64_sys_mkdir+0x6b/0x90\n[ 123.159760] do_syscall_64+0xea/0x600\n\nReplace the runtime mutex_init(&lock) with a static DEFINE_MUTEX(lock)\ndeclaration to fix this issue."
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"product": "Linux",
|
|
"vendor": "Linux",
|
|
"defaultStatus": "unaffected",
|
|
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
|
|
"programFiles": [
|
|
"drivers/block/null_blk/main.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "49c3b9266a718dbd73c42e004288b4bb2ea0ac0b",
|
|
"lessThan": "f9f4ca45c770b7eec83fea6c9b727b26e691b513",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "49c3b9266a718dbd73c42e004288b4bb2ea0ac0b",
|
|
"lessThan": "349903f7ee72f7ac5b7a98840d701b2082d140a3",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "49c3b9266a718dbd73c42e004288b4bb2ea0ac0b",
|
|
"lessThan": "0a8c2f7b95981913ac370683e34db4906970c210",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "49c3b9266a718dbd73c42e004288b4bb2ea0ac0b",
|
|
"lessThan": "c7dea90c9b4ef1dfbd2e4df36de180c76fd7c33c",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "49c3b9266a718dbd73c42e004288b4bb2ea0ac0b",
|
|
"lessThan": "234117949da3b3f9705a21b66094f9f30bbe681d",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "49c3b9266a718dbd73c42e004288b4bb2ea0ac0b",
|
|
"lessThan": "017dac7670909eaea3eb36e6b3b5a8be9ce0a14d",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"product": "Linux",
|
|
"vendor": "Linux",
|
|
"defaultStatus": "affected",
|
|
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
|
|
"programFiles": [
|
|
"drivers/block/null_blk/main.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "5.19",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "0",
|
|
"lessThan": "5.19",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.1.188",
|
|
"lessThanOrEqual": "6.1.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.6.157",
|
|
"lessThanOrEqual": "6.6.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.12.110",
|
|
"lessThanOrEqual": "6.12.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.18.52",
|
|
"lessThanOrEqual": "6.18.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "7.2.6",
|
|
"lessThanOrEqual": "7.2.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "7.3",
|
|
"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": "5.19",
|
|
"versionEndExcluding": "6.1.188"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.19",
|
|
"versionEndExcluding": "6.6.157"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.19",
|
|
"versionEndExcluding": "6.12.110"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.19",
|
|
"versionEndExcluding": "6.18.52"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.19",
|
|
"versionEndExcluding": "7.2.6"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.19",
|
|
"versionEndExcluding": "7.3"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/f9f4ca45c770b7eec83fea6c9b727b26e691b513"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/349903f7ee72f7ac5b7a98840d701b2082d140a3"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/0a8c2f7b95981913ac370683e34db4906970c210"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/c7dea90c9b4ef1dfbd2e4df36de180c76fd7c33c"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/234117949da3b3f9705a21b66094f9f30bbe681d"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/017dac7670909eaea3eb36e6b3b5a8be9ce0a14d"
|
|
}
|
|
],
|
|
"title": "null_blk: use DEFINE_MUTEX for the file-scope mutex",
|
|
"x_generator": {
|
|
"engine": "bippy-1.2.0"
|
|
}
|
|
}
|
|
}
|
|
} |