SUSE update for bpftool

1) NULL pointer dereference

EUVDB-ID: #VU98946

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-49987

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to NULL pointer dereference within the show_link_netfilter() function in tools/bpf/bpftool/net.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package bpftool to the latest version.

Vulnerable software versions

Basesystem Module: 15-SP6

SUSE Linux Enterprise Real Time 15: SP6

openSUSE Leap: 15.6

SUSE Linux Enterprise Server for SAP Applications 15: SP6

SUSE Linux Enterprise Server 15: SP6

SUSE Linux Enterprise Desktop 15: SP6

bpftool: before 6.4.0-150600.19.6.1

bpftool-debuginfo: before 6.4.0-150600.19.6.1

bpftool-debugsource: before 6.4.0-150600.19.6.1

CPE2.3

• cpe:2.3:o:suse:basesystem_module:15-SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:a:suse:bpftool:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:bpftool-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:bpftool-debugsource:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20244157-1/

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.