{
  "threat_severity" : "Low",
  "public_date" : "2025-03-27T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: acpi: Fix suspend with Xen PV",
    "id" : "2355509",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2355509"
  },
  "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-476",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nacpi: Fix suspend with Xen PV\nCommit f1e525009493 (\"x86/boot: Skip realmode init code when running as\nXen PV guest\") missed one code path accessing real_mode_header, leading\nto dereferencing NULL when suspending the system under Xen:\n[  348.284004] PM: suspend entry (deep)\n[  348.289532] Filesystems sync: 0.005 seconds\n[  348.291545] Freezing user space processes ... (elapsed 0.000 seconds) done.\n[  348.292457] OOM killer disabled.\n[  348.292462] Freezing remaining freezable tasks ... (elapsed 0.104 seconds) done.\n[  348.396612] printk: Suspending console(s) (use no_console_suspend to debug)\n[  348.749228] PM: suspend devices took 0.352 seconds\n[  348.769713] ACPI: EC: interrupt blocked\n[  348.816077] BUG: kernel NULL pointer dereference, address: 000000000000001c\n[  348.816080] #PF: supervisor read access in kernel mode\n[  348.816081] #PF: error_code(0x0000) - not-present page\n[  348.816083] PGD 0 P4D 0\n[  348.816086] Oops: 0000 [#1] PREEMPT SMP NOPTI\n[  348.816089] CPU: 0 PID: 6764 Comm: systemd-sleep Not tainted 6.1.3-1.fc32.qubes.x86_64 #1\n[  348.816092] Hardware name: Star Labs StarBook/StarBook, BIOS 8.01 07/03/2022\n[  348.816093] RIP: e030:acpi_get_wakeup_address+0xc/0x20\nFix that by adding an optional acpi callback allowing to skip setting\nthe wakeup address, as in the Xen PV case this will be handled by the\nhypervisor anyway." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-11-07T00:00:00Z",
    "advisory" : "RHSA-2023:6583",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.8.1.el9_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-11-07T00:00:00Z",
    "advisory" : "RHSA-2023:6583",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.8.1.el9_3"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "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" : "Out of support scope",
    "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-2023-52994\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52994\nhttps://lore.kernel.org/linux-cve-announce/2025032710-CVE-2023-52994-5336@gregkh/T" ],
  "name" : "CVE-2023-52994",
  "csaw" : false
}