The SUSE Linux Enterprise 15 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:
- cifs: add support for fallocate mode 0 for non-sparse files (bsc#1175122). - cifs: allow unlock flock and OFD lock across fork (bsc#1175122). - cifs_atomic_open(): fix double-put on late allocation failure (bsc#1175122). - cifs: Avoid doing network I/O while holding cache lock (bsc#1175122). - cifs: call wake_up(&server->response_q) inside of cifs_reconnect() (bsc#1175122). - cifs: Clean up DFS referral cache (bsc#1175122). - cifs: document and cleanup dfs mount (bsc#1172428 bsc#1175122). - cifs: do not ignore the SYNC flags in getattr (bsc#1175122). - cifs: do not leak -EAGAIN for stat() during reconnect (bsc#1175122). - cifs: do not share tcons with DFS (bsc#1175122). - cifs: ensure correct super block for DFS reconnect (bsc#1175122). - cifs: fail i/o on soft mounts if sessionsetup errors out (bsc#1175122). - cifs: fiemap: do not return EINVAL if get nothing (bsc#1175122). - cifs: Fix an error pointer dereference in cifs_mount() (bsc#1172428 bsc#1175122). - cifs: fix double free error on share and prefix (bsc#1172428 bsc#1175122). - cifs: fix leaked reference on requeued write (bsc#1175122). - cifs: fix NULL dereference in match_prepath (bsc#1175122). - cifs: Fix null pointer check in cifs_read (bsc#1175122). - cifs: Fix potential deadlock when updating vol in cifs_reconnect() (bsc#1175122). - cifs: fix potential mismatch of UNC paths (bsc#1175122). - cifs: fix rename() by ensuring source handle opened with DELETE bit (bsc#1175122). - cifs: Fix return value in __update_cache_entry (bsc#1175122). - cifs: fix soft mounts hanging in the reconnect code (bsc#1175122). - cifs: Fix task struct use-after-free on reconnect (bsc#1175122). - cifs: fix uninitialised lease_key in open_shroot() (bsc#1175122). - cifs: fix unitialized variable poential problem with network I/O cache lock patch (bsc#1175122). - cifs: Get rid of kstrdup_const()'d paths (bsc#1175122). - cifs: get rid of unused parameter in reconn_setup_dfs_targets() (bsc#1175122). - cifs: handle empty list of targets in cifs_reconnect() (bsc#1172428 bsc#1175122). - cifs: handle hostnames that resolve to same ip in failover (bsc#1175122). - cifs: handle prefix paths in reconnect (bsc#1175122). - cifs: handle RESP_GET_DFS_REFERRAL.PathConsumed in reconnect (bsc#1172428 bsc#1175122). - cifs: improve read performance for page size 64KB & cache=strict & vers=2.1+ (bsc#1175122). - cifs: Introduce helpers for finding TCP connection (bsc#1175122). - cifs: make sure we do not overflow the max EA buffer size (bsc#1175122). - cifs: make use of cap_unix(ses) in cifs_reconnect_tcon() (bsc#1175122). - cifs: merge __{cifs,smb2}_reconnect[_tcon]() into cifs_tree_connect() (bsc#1172428 bsc#1175122). - cifs: Merge is_path_valid() into get_normalized_path() (bsc#1175122). - cifs: minor update to comments around the cifs_tcp_ses_lock mutex (bsc#1175122). - cifs: only update prefix path of DFS links in cifs_tree_connect() (bsc#1172428 bsc#1175122). - cifs: Optimize readdir on reparse points (bsc#1175122). - cifs: potential unintitliazed error code in cifs_getattr() (bsc#1175122). - cifs: protect updating server->dstaddr with a spinlock (bsc#1175122). - cifs: reduce number of referral requests in DFS link lookups (bsc#1172428 bsc#1175122). - cifs: rename reconn_inval_dfs_target() (bsc#1172428 bsc#1175122). - cifs: set correct max-buffer-size for smb2_ioctl_init() (bsc#1175122). - cifs: set up next DFS target before generic_ip_connect() (bsc#1175122). - cifs: use mod_delayed_work() for &server->reconnect if already queued (bsc#1175122). - cifs: use PTR_ERR_OR_ZERO() to simplify code (bsc#1175122). - Drivers: hv: vmbus: Only notify Hyper-V for die events that are oops (bsc#1175128). - 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). - 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). - scripts/git_sort/git_sort.py: add bluetooth/bluetooth-next.git repository - 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). - smb3: fix performance regression with setting mtime (bsc#1175122). - smb3: query attributes on file close (bsc#1175122). - smb3: remove unused flag passed into close functions (bsc#1175122). - Update patch reference for a tipc fix patch (bsc#1175515) - x86/unwind/orc: Fix ORC for newly forked tasks (bsc#1058115).
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