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Linux Distros Unpatched Vulnerability : CVE-2022-49565

🗓️ 07 Aug 2025 00:00:00Reported by TenableType 
nessus
 nessus🔗 www.tenable.com👁 1 Views

CVE-2022-49565: Linux kernel LBR and TSX fix for unchecked model-specific register access no patch.

Related
Refs
Code
ReporterTitlePublishedViews
Family
AstraLinux		 Astra Linux - уязвимость в linux-5.10
20 May 202605:53
–astralinux
CNNVD		Linux kernel 安全漏洞
26 Feb 202500:00
–cnnvd
CVE		CVE-2022-49565
26 Feb 202502:23
–cve
Cvelist		CVE-2022-49565 perf/x86/intel/lbr: Fix unchecked MSR access error on HSW
26 Feb 202502:23
–cvelist
Debian CVE		CVE-2022-49565
26 Feb 202502:23
–debiancve
EUVD		EUVD-2022-54667
22 Oct 202521:31
–euvd
NVD		CVE-2022-49565
26 Feb 202507:01
–nvd
OSV		CVE-2022-49565 perf/x86/intel/lbr: Fix unchecked MSR access error on HSW
26 Feb 202502:23
–osv
OSV		DEBIAN-CVE-2022-49565
26 Feb 202507:01
–osv
OSV		RHSA-2023:2458 Red Hat Security Advisory: kernel security, bug fix, and enhancement update
16 Sep 202409:02
–osv
Rows per page
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

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patch available.

  - In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/lbr: Fix unchecked MSR
    access error on HSW The fuzzer triggers the below trace. [ 7763.384369] unchecked MSR access error: WRMSR
    to 0x689 (tried to write 0x1fffffff8101349e) at rIP: 0xffffffff810704a4 (native_write_msr+0x4/0x20) [
    7763.397420] Call Trace: [ 7763.399881] <TASK> [ 7763.401994] intel_pmu_lbr_restore+0x9a/0x1f0 [
    7763.406363] intel_pmu_lbr_sched_task+0x91/0x1c0 [ 7763.410992] __perf_event_task_sched_in+0x1cd/0x240 On
    a machine with the LBR format LBR_FORMAT_EIP_FLAGS2, when the TSX is disabled, a TSX quirk is required to
    access LBR from registers. The lbr_from_signext_quirk_needed() is introduced to determine whether the TSX
    quirk should be applied. However, the lbr_from_signext_quirk_needed() is invoked before the
    intel_pmu_lbr_init(), which parses the LBR format information. Without the correct LBR format information,
    the TSX quirk never be applied. Move the lbr_from_signext_quirk_needed() into the intel_pmu_lbr_init().
    Checking x86_pmu.lbr_has_tsx in the lbr_from_signext_quirk_needed() is not required anymore. Both
    LBR_FORMAT_EIP_FLAGS2 and LBR_FORMAT_INFO have LBR_TSX flag, but only the LBR_FORMAT_EIP_FLAGS2 requirs
    the quirk. Update the comments accordingly. (CVE-2022-49565)

Note that Nessus relies on the presence of the package as reported by the vendor.");
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}

if (!get_kb_item("global_settings/vendor_unpatched")) exit(0, "Unpatched Vulnerabilities Detection not active.");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (empty_or_null(get_one_kb_item("Host/Debian/dpkg-l")) && empty_or_null(get_one_kb_item("Host/RedHat/rpm-list"))) audit(AUDIT_PACKAGE_LIST_MISSING);

include('linux_unpatched.inc');

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    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "16.04",
        "pkgs": [
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          {"reference": "linux-oem-5.6-tools-host"},
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          {"reference": "linux-lowlatency-hwe-6.5"},
          {"reference": "linux-modules-5.15.0"},
          {"reference": "linux-modules-5.17.0"},
          {"reference": "linux-modules-extra-5.15.0"},
          {"reference": "linux-modules-extra-5.17.0"},
          {"reference": "linux-nvidia-6.2"},
          {"reference": "linux-nvidia-6.5"},
          {"reference": "linux-oem-5.17-headers-5.17.0"},
          {"reference": "linux-oem-5.17-tools-5.17.0"},
          {"reference": "linux-oem-5.17-tools-host"},
          {"reference": "linux-oem-6.0"},
          {"reference": "linux-oem-6.1"},
          {"reference": "linux-oem-6.5"},
          {"reference": "linux-oracle-6.5"},
          {"reference": "linux-realtime"},
          {"reference": "linux-riscv-5.19"},
          {"reference": "linux-riscv-6.5"},
          {"reference": "linux-riscv-headers-5.15.0"},
          {"reference": "linux-riscv-tools-5.15.0"},
          {"reference": "linux-starfive-5.19"},
          {"reference": "linux-starfive-6.2"},
          {"reference": "linux-starfive-6.5"},
          {"reference": "linux-tools-5.15.0"},
          {"reference": "linux-tools-5.17.0"}
        ]
      }
    ]
  },
  "Ubuntu Linux-24.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "24.04",
        "pkgs": [
          {"reference": "linux-raspi-realtime"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-9": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "9",
        "pkgs": [
          {"reference": "kernel-rt"},
          {"reference": "kernel-rt-core"},
          {"reference": "kernel-rt-debug"},
          {"reference": "kernel-rt-debug-core"},
          {"reference": "kernel-rt-debug-devel"},
          {"reference": "kernel-rt-debug-devel-matched"},
          {"reference": "kernel-rt-debug-kvm"},
          {"reference": "kernel-rt-debug-modules"},
          {"reference": "kernel-rt-debug-modules-core"},
          {"reference": "kernel-rt-debug-modules-extra"},
          {"reference": "kernel-rt-debug-modules-internal"},
          {"reference": "kernel-rt-debug-modules-partner"},
          {"reference": "kernel-rt-devel"},
          {"reference": "kernel-rt-devel-matched"},
          {"reference": "kernel-rt-kvm"},
          {"reference": "kernel-rt-modules"},
          {"reference": "kernel-rt-modules-core"},
          {"reference": "kernel-rt-modules-extra"},
          {"reference": "kernel-rt-modules-internal"},
          {"reference": "kernel-rt-modules-partner"},
          {"reference": "kernel-rt-selftests-internal"}
        ]
      }
    ]
  }
};

var distro_constraints_values = linux_unpatched::get_distro_constraints(distro_constraints_arr:distro_constraints_array);
if (empty_or_null(distro_constraints_values)) audit(AUDIT_HOST_NOT, 'affected');
var report = linux_unpatched::check_unpatched_constraints(distro_constraints_values:distro_constraints_values);

if (!empty_or_null(report))
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_NOTE,
      extra      : report
  );
  exit(0);
}
else
{
  audit(AUDIT_HOST_NOT, 'affected');
}

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01 Sep 2025 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.5
EPSS0.00091
linux kernellast branch recordtsx quirkunchecked model specific registerintel performance monitoring
1