SUSE update for the Linux Kernel RT (Live Patch 16 for SLE 15 SP5)



Risk Low
Patch available YES
Number of vulnerabilities 8
CVE-ID CVE-2021-47598
CVE-2023-52752
CVE-2023-52846
CVE-2024-26923
CVE-2024-36899
CVE-2024-40909
CVE-2024-40954
CVE-2024-41059
CWE-ID CWE-416
CWE-667
CWE-908
Exploitation vector Local
Public exploit N/A
Vulnerable software
SUSE Linux Enterprise Micro
Operating systems & Components / Operating system

SUSE Linux Enterprise Live Patching
Operating systems & Components / Operating system

SUSE Linux Enterprise Server for SAP Applications 15
Operating systems & Components / Operating system

SUSE Linux Enterprise Server 15
Operating systems & Components / Operating system

SUSE Linux Enterprise Real Time 15
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing 15
Operating systems & Components / Operating system

openSUSE Leap
Operating systems & Components / Operating system

kernel-livepatch-SLE15-SP5-RT_Update_16-debugsource
Operating systems & Components / Operating system package or component

kernel-livepatch-5_14_21-150500_13_58-rt-debuginfo
Operating systems & Components / Operating system package or component

kernel-livepatch-5_14_21-150500_13_58-rt
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains information about 8 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU92302

Risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-47598

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the cake_init() function in net/sched/sch_cake.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package the Linux Kernel RT (Live Patch 16 for SLE 15 SP5) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.5

SUSE Linux Enterprise Live Patching: 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP5

SUSE Linux Enterprise Server 15: SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP5

openSUSE Leap: 15.5

kernel-livepatch-SLE15-SP5-RT_Update_16-debugsource: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt-debuginfo: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt: before 5-150500.11.6.1

CPE2.3 External links

http://www.suse.com/support/update/announcement/2024/suse-su-20243833-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

EUVDB-ID: #VU90068

Risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52752

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the seq_printf() and spin_unlock() functions in fs/smb/client/cifs_debug.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package the Linux Kernel RT (Live Patch 16 for SLE 15 SP5) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.5

SUSE Linux Enterprise Live Patching: 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP5

SUSE Linux Enterprise Server 15: SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP5

openSUSE Leap: 15.5

kernel-livepatch-SLE15-SP5-RT_Update_16-debugsource: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt-debuginfo: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt: before 5-150500.11.6.1

CPE2.3 External links

http://www.suse.com/support/update/announcement/2024/suse-su-20243833-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Use-after-free

EUVDB-ID: #VU91055

Risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52846

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the prp_create_tagged_frame() function in net/hsr/hsr_forward.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package the Linux Kernel RT (Live Patch 16 for SLE 15 SP5) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.5

SUSE Linux Enterprise Live Patching: 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP5

SUSE Linux Enterprise Server 15: SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP5

openSUSE Leap: 15.5

kernel-livepatch-SLE15-SP5-RT_Update_16-debugsource: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt-debuginfo: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt: before 5-150500.11.6.1

CPE2.3 External links

http://www.suse.com/support/update/announcement/2024/suse-su-20243833-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Improper locking

EUVDB-ID: #VU92035

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26923

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper locking within the unix_gc() function in net/unix/garbage.c due to garbage collector does not take into account the risk of embryo getting enqueued during the garbage collection. A local user can execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel RT (Live Patch 16 for SLE 15 SP5) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.5

SUSE Linux Enterprise Live Patching: 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP5

SUSE Linux Enterprise Server 15: SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP5

openSUSE Leap: 15.5

kernel-livepatch-SLE15-SP5-RT_Update_16-debugsource: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt-debuginfo: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt: before 5-150500.11.6.1

CPE2.3 External links

http://www.suse.com/support/update/announcement/2024/suse-su-20243833-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Use-after-free

EUVDB-ID: #VU90048

Risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-36899

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the gpio_chrdev_release() function in drivers/gpio/gpiolib-cdev.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package the Linux Kernel RT (Live Patch 16 for SLE 15 SP5) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.5

SUSE Linux Enterprise Live Patching: 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP5

SUSE Linux Enterprise Server 15: SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP5

openSUSE Leap: 15.5

kernel-livepatch-SLE15-SP5-RT_Update_16-debugsource: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt-debuginfo: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt: before 5-150500.11.6.1

CPE2.3 External links

http://www.suse.com/support/update/announcement/2024/suse-su-20243833-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Use-after-free

EUVDB-ID: #VU94224

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-40909

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the bpf_obj_get(), bpf_link_defer_dealloc_mult_rcu_gp() and bpf_link_free() functions in kernel/bpf/syscall.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package the Linux Kernel RT (Live Patch 16 for SLE 15 SP5) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.5

SUSE Linux Enterprise Live Patching: 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP5

SUSE Linux Enterprise Server 15: SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP5

openSUSE Leap: 15.5

kernel-livepatch-SLE15-SP5-RT_Update_16-debugsource: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt-debuginfo: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt: before 5-150500.11.6.1

CPE2.3 External links

http://www.suse.com/support/update/announcement/2024/suse-su-20243833-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Use-after-free

EUVDB-ID: #VU94217

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-40954

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the sk_common_release() function in net/core/sock.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package the Linux Kernel RT (Live Patch 16 for SLE 15 SP5) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.5

SUSE Linux Enterprise Live Patching: 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP5

SUSE Linux Enterprise Server 15: SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP5

openSUSE Leap: 15.5

kernel-livepatch-SLE15-SP5-RT_Update_16-debugsource: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt-debuginfo: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt: before 5-150500.11.6.1

CPE2.3 External links

http://www.suse.com/support/update/announcement/2024/suse-su-20243833-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Use of uninitialized resource

EUVDB-ID: #VU95033

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-41059

CWE-ID: CWE-908 - Use of Uninitialized Resource

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to use of uninitialized resource within the hfsplus_listxattr() function in fs/hfsplus/xattr.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package the Linux Kernel RT (Live Patch 16 for SLE 15 SP5) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.5

SUSE Linux Enterprise Live Patching: 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP5

SUSE Linux Enterprise Server 15: SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP5

openSUSE Leap: 15.5

kernel-livepatch-SLE15-SP5-RT_Update_16-debugsource: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt-debuginfo: before 5-150500.11.6.1

kernel-livepatch-5_14_21-150500_13_58-rt: before 5-150500.11.6.1

CPE2.3 External links

http://www.suse.com/support/update/announcement/2024/suse-su-20243833-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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