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openvasCopyright (C) 2024 Greenbone AGOPENVAS:1361412562310833359
HistoryMar 04, 2024 - 12:00 a.m.

openSUSE: Security Advisory for the Linux Kernel RT (Live Patch 13 for SLE 15 SP4) (SUSE-SU-2023:4164-1)

2024-03-0400:00:00
Copyright (C) 2024 Greenbone AG
plugins.openvas.org
4
opensuse
security advisory
linux kernel
live patch 13
sle 15 sp4
suse-su-2023:4164-1
use-after-free
cve-2023-4623
hfsc
privilege escalation

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

7.7

Confidence

High

EPSS

0

Percentile

5.1%

The remote host is missing an update for the

# SPDX-FileCopyrightText: 2024 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.833359");
  script_version("2024-05-16T05:05:35+0000");
  script_cve_id("CVE-2023-4623");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2024-05-16 05:05:35 +0000 (Thu, 16 May 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-09-11 18:15:49 +0000 (Mon, 11 Sep 2023)");
  script_tag(name:"creation_date", value:"2024-03-04 07:35:57 +0000 (Mon, 04 Mar 2024)");
  script_name("openSUSE: Security Advisory for the Linux Kernel RT (Live Patch 13 for SLE 15 SP4) (SUSE-SU-2023:4164-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2024 Greenbone AG");
  script_family("SuSE Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/suse", "ssh/login/rpms", re:"ssh/login/release=openSUSELeap15\.5");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2023:4164-1");
  script_xref(name:"URL", value:"https://lists.opensuse.org/archives/list/[email protected]/thread/AUSKSNQVOXLOVDRICIHUIBMXJWHULULN");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'the Linux Kernel RT (Live Patch 13 for SLE 15 SP4)'
  package(s) announced via the SUSE-SU-2023:4164-1 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"This update for the Linux Kernel 5.14.21-150400_15_53 fixes one issue.

  The following security issue was fixed:

  * CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler
      which could be exploited to achieve local privilege escalation
      (bsc#1215440).

  ##");

  script_tag(name:"affected", value:"'the Linux Kernel RT (Live Patch 13 for SLE 15 SP4)' package(s) on openSUSE Leap 15.5.");

  script_tag(name:"solution", value:"Please install the updated package(s).");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-rpm.inc");

release = rpm_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "openSUSELeap15.5") {

  if(!isnull(res = isrpmvuln(pkg:"kernel-livepatch-SLE15-SP5-RT_Update_5-debugsource-2", rpm:"kernel-livepatch-SLE15-SP5-RT_Update_5-debugsource-2~150500.2.1", rls:"openSUSELeap15.5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-livepatch-5_14_21-150500_13_18-rt-2", rpm:"kernel-livepatch-5_14_21-150500_13_18-rt-2~150500.2.1", rls:"openSUSELeap15.5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-livepatch-5_14_21-150500_13_18-rt-debuginfo-2", rpm:"kernel-livepatch-5_14_21-150500_13_18-rt-debuginfo-2~150500.2.1", rls:"openSUSELeap15.5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-livepatch-SLE15-SP5-RT_Update_5-debugsource-2", rpm:"kernel-livepatch-SLE15-SP5-RT_Update_5-debugsource-2~150500.2.1", rls:"openSUSELeap15.5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-livepatch-5_14_21-150500_13_18-rt-2", rpm:"kernel-livepatch-5_14_21-150500_13_18-rt-2~150500.2.1", rls:"openSUSELeap15.5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-livepatch-5_14_21-150500_13_18-rt-debuginfo-2", rpm:"kernel-livepatch-5_14_21-150500_13_18-rt-debuginfo-2~150500.2.1", rls:"openSUSELeap15.5"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

7.7

Confidence

High

EPSS

0

Percentile

5.1%