{
  "threat_severity" : "Low",
  "public_date" : "2024-08-22T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: bpf: Add schedule points in batch ops",
    "id" : "2307195",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2307195"
  },
  "cvss3" : {
    "cvss3_base_score" : "3.3",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
    "status" : "verified"
  },
  "cwe" : "CWE-834",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nbpf: Add schedule points in batch ops\nsyzbot reported various soft lockups caused by bpf batch operations.\nINFO: task kworker/1:1:27 blocked for more than 140 seconds.\nINFO: task hung in rcu_barrier\nNothing prevents batch ops to process huge amount of data,\nwe need to add schedule points in them.\nNote that maybe_wait_bpf_programs(map) calls from\ngeneric_map_delete_batch() can be factorized by moving\nthe call after the loop.\nThis will be done later in -next tree once we get this fix merged,\nunless there is strong opinion doing this optimization sooner." ],
  "statement" : "This issue is fixed in RHEL-9.2 and above\n~~~\nin (rhel-9.2, rhel-9.3, rhel-9.4, rhel-9.5) bpf: Add schedule points in batch ops\n~~~\nPlease note that while RHEL-9 kernel-rt still appears as affected, it has been fixed in the same RHSA as RHEL-9 kernel. This is because from RHEL-9.3 onwards, the kernel and kernel-rt fixes are bundled together in a single errata.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-05-09T00:00:00Z",
    "advisory" : "RHSA-2023:2458",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-284.11.1.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-05-09T00:00:00Z",
    "advisory" : "RHSA-2023:2458",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-284.11.1.el9_2"
  } ],
  "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" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2022-48939\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-48939\nhttps://lore.kernel.org/linux-cve-announce/2024082226-CVE-2022-48939-ff01@gregkh/T" ],
  "name" : "CVE-2022-48939",
  "csaw" : false
}