SUSE Security Update: Security update for dnsmasq ______________________________________________________________________________ Announcement ID: SUSE-SU-2022:14941-1 Rating: important References: #1183709 #1197872 Cross-References: CVE-2021-3448 CVE-2022-0934 CVSS scores: CVE-2021-3448 (NVD) : 4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N CVE-2021-3448 (SUSE): 4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N CVE-2022-0934 (SUSE): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L Affected Products: SUSE Linux Enterprise Debuginfo 11-SP4 SUSE Linux Enterprise Server 11-SP4-LTSS ______________________________________________________________________________ An update that fixes two vulnerabilities is now available. Description: This update for dnsmasq fixes the following issues: - CVE-2021-3448: Fixed a potential DNS cache poisoning issue due to a constant outgoing port being used when for certain use cases of the --server option (bsc#1183709). - CVE-2022-0934: Fixed an invalid memory access that could lead to remote denial of service via crafted packet (bsc#1197872). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Server 11-SP4-LTSS: zypper in -t patch slessp4-dnsmasq-14941=1 - SUSE Linux Enterprise Debuginfo 11-SP4: zypper in -t patch dbgsp4-dnsmasq-14941=1 Package List: - SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64): dnsmasq-2.78-0.17.18.1 - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64): dnsmasq-debuginfo-2.78-0.17.18.1 dnsmasq-debugsource-2.78-0.17.18.1 References: https://www.suse.com/security/cve/CVE-2021-3448.html https://www.suse.com/security/cve/CVE-2022-0934.html https://bugzilla.suse.com/1183709 https://bugzilla.suse.com/1197872