Stay Secure with the Latest Linux Advisories

security advisorycritical issuebuffer overflow

SUSE: 2022:4544-1 Important: Kernel Live Patch 23 Critical Buffer Overflow

An update that fixes 7 vulnerabilities is now available. . SUSE Security Update: Security update for the Linux Kernel (Live Patch 23 for SLE 15 SP3) ______________________________________________________________________________ Announcement ID: SUSE-SU-2022:4544-1 Rating: important References: #1203606 #1204424 #1204576 #1204624 #1205130 #1205815 #1206228 Cross-References: CVE-2022-3545 CVE-2022-3586 CVE-2022-3640 CVE-2022-41218 CVE-2022-4139 CVE-2022-4378 CVE-2022-43945 CVSS scores: CVE-2022-3545 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-3545 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2022-3586 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2022-3586 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-3640 (NVD) : 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2022-3640 (SUSE): 7.1 CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2022-41218 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2022-41218 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2022-4139 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-4378 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2022-43945 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2022-43945 (SUSE): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Affected Products: SUSE Linux Enterprise High Performance Computing 15-SP3 SUSE Linux Enterprise Micro 5.1 SUSE Linux Enterprise Module for Live Patching 15-SP3 SUSE Linux Enterprise Server 15-SP3 SUSE Linux Enterprise Server for SAP Applications15-SP3 ______________________________________________________________________________ An update that fixes 7 vulnerabilities is now available. Description: This update for the Linux Kernel 5.3.18-150300_59_90 fixes several issues. The following security issues were fixed: - CVE-2022-43945: Fixed a buffer overflow in the NFSD implementation (bsc#1205128). - CVE-2022-4378: Fixed stack overflow in __do_proc_dointvec (bsc#1206207). - CVE-2022-4139: Fixed an issue with the i915 driver that allowed the GPU to access any physical memory (bsc#1205700). - CVE-2022-3640: Fixed a use-after-free in l2cap_conn_del of the file net/bluetooth/l2cap_core.c (bsc#1204619). - CVE-2022-3586: Fixed use-after-free in socket buffer (SKB) that could allow a local unprivileged user to cause a denial of service (bsc#1204439). - CVE-2022-3545: Fixed a use-after-free in area_cache_get() of the file drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c (bsc#1204415). - CVE-2022-41218: Fixed a use-after-free caused by refcount races, affecting dvb_demux_open() and dvb_dmxdev_release() in drivers/media/dvb-core/dmxdev.c (bsc#1202960). 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 Module for Live Patching 15-SP3: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-4544=1 Package List: - SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x x86_64): kernel-livepatch-5_3_18-150300_59_90-default-6-150300.2.1 References: https://www.suse.com/security/cve/CVE-2022-3545.html https://www.suse.com/security/cve/CVE-2022-3586.html https://www.suse.com/security/cve/CVE-2022-3640.html https://www.suse.com/security/cve/CVE-2022-41218.html https://www.suse.com/security/cve/CVE-2022-4139.html https://www.suse.com/security/cve/CVE-2022-4378.html https://www.suse.com/security/cve/CVE-2022-43945.html https://bugzilla.suse.com/1203606 https://bugzilla.suse.com/1204424 https://bugzilla.suse.com/1204576 https://bugzilla.suse.com/1204624 https://bugzilla.suse.com/1205130 https://bugzilla.suse.com/1205815 https://bugzilla.suse.com/1206228 . SUSE Linux Kernel Live Patch 23 resolves a variety of vulnerabilities, featuring significant fixes for severe buffer overflow and unauthorized memory access threats.. SUSE Kernel Patch, Live Patching for SLE 15, SUSE Security Update. . Severity: Important. LinuxSecurity.com Team

Dec 18, 2022 •Important SuSE