{
  "threat_severity" : "Low",
  "public_date" : "2024-07-12T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: io_uring/rsrc: don't lock while !TASK_RUNNING",
    "id" : "2297506",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2297506"
  },
  "cvss3" : {
    "cvss3_base_score" : "4.4",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-413",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nio_uring/rsrc: don't lock while !TASK_RUNNING\nThere is a report of io_rsrc_ref_quiesce() locking a mutex while not\nTASK_RUNNING, which is due to forgetting restoring the state back after\nio_run_task_work_sig() and attempts to break out of the waiting loop.\ndo not call blocking ops when !TASK_RUNNING; state=1 set at\n[<ffffffff815d2494>] prepare_to_wait+0xa4/0x380\nkernel/sched/wait.c:237\nWARNING: CPU: 2 PID: 397056 at kernel/sched/core.c:10099\n__might_sleep+0x114/0x160 kernel/sched/core.c:10099\nRIP: 0010:__might_sleep+0x114/0x160 kernel/sched/core.c:10099\nCall Trace:\n<TASK>\n__mutex_lock_common kernel/locking/mutex.c:585 [inline]\n__mutex_lock+0xb4/0x940 kernel/locking/mutex.c:752\nio_rsrc_ref_quiesce+0x590/0x940 io_uring/rsrc.c:253\nio_sqe_buffers_unregister+0xa2/0x340 io_uring/rsrc.c:799\n__io_uring_register io_uring/register.c:424 [inline]\n__do_sys_io_uring_register+0x5b9/0x2400 io_uring/register.c:613\ndo_syscall_x64 arch/x86/entry/common.c:52 [inline]\ndo_syscall_64+0xd8/0x270 arch/x86/entry/common.c:83\nentry_SYSCALL_64_after_hwframe+0x6f/0x77" ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2024-40922\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-40922\nhttps://lore.kernel.org/linux-cve-announce/2024071213-CVE-2024-40922-461c@gregkh/T" ],
  "name" : "CVE-2024-40922",
  "csaw" : false
}