Security update for the Linux Kernel
The SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2022-4129: Fixed a denial of service with the Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. (bsc#1205711) - CVE-2021-4203: Fixed use-after-free read flaw that was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (bsc#1194535). - CVE-2023-23559: Fixed integer overflow in rndis_wlan that leads to a buffer overflow (bsc#1207051). - CVE-2023-26545: Fixed double free in net/mpls/af_mpls.c upon an allocation failure (bsc#1208700). - CVE-2022-38096: Fixed NULL-ptr deref in vmw_cmd_dx_define_query() (bsc#1203331). - CVE-2022-36280: Fixed out-of-bounds memory access vulnerability found in vmwgfx driver (bsc#1203332). - CVE-2023-0045: Fixed missing Flush IBP in ib_prctl_set (bsc#1207773). - CVE-2023-0590: Fixed race condition in qdisc_graft() (bsc#1207795). - CVE-2022-2991: Fixed an heap-based overflow in the lightnvm implemenation (bsc#1201420). The following non-security bugs were fixed: - kabi/severities: add l2tp local symbols
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2022-4129: Fixed a denial of service with the Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. (bsc#1205711) - CVE-2021-4203: Fixed use-after-free read flaw that was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (bsc#1194535). - CVE-2023-23559: Fixed integer overflow in rndis_wlan that leads to a buffer overflow (bsc#1207051). - CVE-2023-26545: Fixed double free in net/mpls/af_mpls.c upon an allocation failure (bsc#1208700). - CVE-2022-38096: Fixed NULL-ptr deref in vmw_cmd_dx_define_query() (bsc#1203331). - CVE-2022-36280: Fixed out-of-bounds memory access vulnerability found in vmwgfx driver (bsc#1203332). - CVE-2023-0045: Fixed missing Flush IBP in ib_prctl_set (bsc#1207773). - CVE-2023-0590: Fixed race condition in qdisc_graft() (bsc#1207795). - CVE-2022-2991: Fixed an heap-based overflow in the lightnvm implemenation (bsc#1201420). The following non-security bugs were fixed: - kabi/severities: add l2tp local symbols
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1191881
- https://bugzilla.suse.com/1194535
- https://bugzilla.suse.com/1201420
- https://bugzilla.suse.com/1203331
- https://bugzilla.suse.com/1203332
- https://bugzilla.suse.com/1205711
- https://bugzilla.suse.com/1207051
- https://bugzilla.suse.com/1207773
- https://bugzilla.suse.com/1207795
- https://bugzilla.suse.com/1208700
- https://bugzilla.suse.com/1209188
- https://www.suse.com/security/cve/CVE-2021-4203
- https://www.suse.com/security/cve/CVE-2022-2991
- https://www.suse.com/security/cve/CVE-2022-36280
- https://www.suse.com/security/cve/CVE-2022-38096
- https://www.suse.com/security/cve/CVE-2022-4129
- https://www.suse.com/security/cve/CVE-2023-0045
- https://www.suse.com/security/cve/CVE-2023-0590
- https://www.suse.com/security/cve/CVE-2023-23559
- https://www.suse.com/security/cve/CVE-2023-26545
- https://www.suse.com/support/update/announcement/2023/suse-su-20230852-1/