The SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2020-1749: Use ip6_dst_lookup_flow instead of ip6_dst_lookup (bsc#1165629). - CVE-2020-14314: Fixed a potential negative array index in do_split() (bsc#1173798). - CVE-2020-14356: Fixed a null pointer dereference in cgroupv2 subsystem which could have led to privilege escalation (bsc#1175213). - CVE-2020-14331: Fixed a missing check in vgacon scrollback handling (bsc#1174205). - CVE-2020-16166: Fixed a potential issue which could have allowed remote attackers to make observations that help to obtain sensitive information about the internal state of the network RNG (bsc#1174757). - CVE-2020-24394: Fixed an issue which could set incorrect permissions on new filesystem objects when the filesystem lacks ACL support (bsc#1175518). - CVE-2020-10135: Legacy pairing and secure-connections pairing authentication Bluetooth might have allowed an unauthenticated user to complete authentication without pairing credentials via adjacent access (bsc#1171988). - CVE-2020-14386: Fixed a potential local privilege escalation via memory corruption (bsc#1176069).
The following non-security bugs were fixed:
- btrfs: remove a BUG_ON() from merge_reloc_roots() (bsc#1174784). - cifs: document and cleanup dfs mount (bsc#1144333 bsc#1172428). - cifs: Fix an error pointer dereference in cifs_mount() (bsc#1144333 bsc#1172428). - cifs: fix double free error on share and prefix (bsc#1144333 bsc#1172428). - cifs: handle empty list of targets in cifs_reconnect() (bsc#1144333 bsc#1172428). - cifs: handle RESP_GET_DFS_REFERRAL.PathConsumed in reconnect (bsc#1144333 bsc#1172428). - cifs: merge __{cifs,smb2}_reconnect[_tcon]() into cifs_tree_connect() (bsc#1144333 bsc#1172428). - cifs: only update prefix path of DFS links in cifs_tree_connect() (bsc#1144333 bsc#1172428). - cifs: reduce number of referral requests in DFS link lookups (bsc#1144333 bsc#1172428). - cifs: rename reconn_inval_dfs_target() (bsc#1144333 bsc#1172428). - Drivers: hv: vmbus: Only notify Hyper-V for die events that are oops (bsc#1175127). - ibmvnic: Fix IRQ mapping disposal in error path (bsc#1175112 ltc#187459). - ip6_tunnel: allow not to count pkts on tstats by passing dev as NULL (bsc#1175515). - ip_tunnel: allow not to count pkts on tstats by setting skb's dev to NULL (bsc#1175515). - ipvs: fix the connection sync failed in some cases (bsc#1174699). - kabi: hide new parameter of ip6_dst_lookup_flow() (bsc#1165629). - kabi: mask changes to struct ipv6_stub (bsc#1165629). - mm: Avoid calling build_all_zonelists_init under hotplug context (bsc#1154366). - mm, vmstat: reduce zone->lock holding time by /proc/pagetypeinfo (bsc#1175691). - ocfs2: add trimfs dlm lock resource (bsc#1175228). - ocfs2: add trimfs lock to avoid duplicated trims in cluster (bsc#1175228). - ocfs2: avoid inode removal while nfsd is accessing it (bsc#1172963). - ocfs2: avoid inode removal while nfsd is accessing it (bsc#1172963). - ocfs2: fix panic on nfs server over ocfs2 (bsc#1172963). - ocfs2: fix panic on nfs server over ocfs2 (bsc#1172963). - ocfs2: fix remounting needed after setfacl command (bsc#1173954). - ocfs2: fix the application IO timeout when fstrim is running (bsc#1175228). - ocfs2: load global_inode_alloc (bsc#1172963). - ocfs2: load global_inode_alloc (bsc#1172963). - powerpc/eeh: Fix pseries_eeh_configure_bridge() (bsc#1174689). - powerpc/pseries: PCIE PHB reset (bsc#1174689). - Revert 'ocfs2: fix panic on nfs server over ocfs2 (bsc#1172963).' This reverts commit 2638f62c6bc33d4c10ce0dddbf240aa80d366d7b. - Revert 'ocfs2: load global_inode_alloc (bsc#1172963).' This reverts commit f04f670651f505cb354f26601ec5f5e4428f2f47. - scsi: scsi_dh_alua: skip RTPG for devices only supporting active/optimized (bsc#1174978). - selftests/livepatch: fix mem leaks in test-klp-shadow-vars (bsc#1071995). - selftests/livepatch: more verification in test-klp-shadow-vars (bsc#1071995). - selftests/livepatch: rework test-klp-shadow-vars (bsc#1071995). - selftests/livepatch: simplify test-klp-callbacks busy target tests (bsc#1071995). - Update patch reference for a tipc fix patch (bsc#1175515) - x86/unwind/orc: Fix ORC for newly forked tasks (bsc#1058115). - xen: do not reschedule in preemption off sections (bsc#1175749).