{
  "threat_severity" : "Moderate",
  "public_date" : "2024-08-17T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: exfat: fix potential deadlock on __exfat_get_dentry_set",
    "id" : "2305460",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2305460"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nexfat: fix potential deadlock on __exfat_get_dentry_set\nWhen accessing a file with more entries than ES_MAX_ENTRY_NUM, the bh-array\nis allocated in __exfat_get_entry_set. The problem is that the bh-array is\nallocated with GFP_KERNEL. It does not make sense. In the following cases,\na deadlock for sbi->s_lock between the two processes may occur.\nCPU0                CPU1\n----                ----\nkswapd\nbalance_pgdat\nlock(fs_reclaim)\nexfat_iterate\nlock(&sbi->s_lock)\nexfat_readdir\nexfat_get_uniname_from_ext_entry\nexfat_get_dentry_set\n__exfat_get_dentry_set\nkmalloc_array\n...\nlock(fs_reclaim)\n...\nevict\nexfat_evict_inode\nlock(&sbi->s_lock)\nTo fix this, let's allocate bh-array with GFP_NOFS.", "A potential deadlock on __exfat_get_dentry_set was found in the Linux kernel. This may lead to decreased Availability." ],
  "statement" : "Red Hat Enterprise Linux 8 is not affected by this vulnerability.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2025-05-13T00:00:00Z",
    "advisory" : "RHSA-2025:6966",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-570.12.1.el9_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2025-05-13T00:00:00Z",
    "advisory" : "RHSA-2025:6966",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-570.12.1.el9_6"
  } ],
  "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-2024-42315\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-42315\nhttps://lore.kernel.org/linux-cve-announce/2024081753-CVE-2024-42315-a707@gregkh/T" ],
  "name" : "CVE-2024-42315",
  "csaw" : false
}