SUSE: 2022:0365-1 critical: the Linux Kernel
Summary
The SUSE Linux Enterprise 15 SP2 LTSS kernel was updated receive various security and bugfixes. The following security bugs were fixed: - CVE-2022-0435: Fixed remote stack overflow in net/tipc module that validate domain record count on input (bsc#1195254). - CVE-2021-45095: Fixed refcount leak in pep_sock_accept in net/phonet/pep.c (bnc#1193867). - CVE-2022-22942: Fixed stale file descriptors on failed usercopy (bsc#1195065). - CVE-2021-22600: Fixed double free bug in packet_set_ring() in net/packet/af_packet.c that could have been exploited by a local user through crafted syscalls to escalate privileges or deny service (bnc#1195184). - CVE-2021-39657: Fixed out of bounds read due to a missing bounds check in ufshcd_eh_device_reset_handler of ufshcd.c. This could lead to local information disclosure with System execution privileges needed (bnc#1193864). - CVE-2021-39648: Fixed possible disclosure of kernel heap memory due to a race condition in gadget_dev_desc_UDC_show of configfs.c. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation (bnc#1193861). - CVE-2022-0330: Fixed flush TLBs before releasing backing store (bsc#1194880). The following non-security bugs were fixed: - bpf: Verifer, adjust_scalar_min_max_vals to always call update_reg_bounds() (bsc#1194227). - btrfs: tree-checker: Add EXTENT_ITEM and METADATA_ITEM check (bsc#1195009). - btrfs: tree-checker: annotate all error branches as unlikely (bsc#1195009). - btrfs: tree-checker: check for BTRFS_BLOCK_FLAG_FULL_BACKREF being set improperly (bsc#1195009). - hv_netvsc: Set needed_headroom according to VF (bsc#1193506). - net, xdp: Introduce xdp_init_buff utility routine (bsc#1193506). - net, xdp: Introduce xdp_prepare_buff utility routine (bsc#1193506). - net: allow retransmitting a TCP packet if original is still in queue (bsc#1188605 bsc#1187428). - net: mana: Add RX fencing (bsc#1193506). - net: mana: Add XDP support (bsc#1193506). - net: sch_generic: aviod concurrent reset and enqueue op for lockless qdisc (bsc#1183405). - net: sched: add barrier to ensure correct ordering for lockless qdisc (bsc#1183405). - net: sched: avoid unnecessary seqcount operation for lockless qdisc (bsc#1183405). - net: sched: fix packet stuck problem for lockless qdisc (bsc#1183405). - net: sched: fix tx action reschedule issue with stopped queue (bsc#1183405). - net: sched: fix tx action rescheduling issue during deactivation (bsc#1183405). - net: sched: replaced invalid qdisc tree flush helper in qdisc_replace (bsc#1183405). - net_sched: avoid resetting active qdisc for multiple times (bsc#1183405). - net_sched: get rid of unnecessary dev_qdisc_reset() (bsc#1183405). - net_sched: use qdisc_reset() in qdisc_destroy() (bsc#1183405). - nvme: add 'iopolicy' module parameter (bsc#1177599 bsc#1193096). - xfrm: fix MTU regression (bsc#1185377, bsc#1194048).
References
#1177599 #1183405 #1185377 #1188605 #1193096
#1193506 #1193861 #1193864 #1193867 #1194048
#1194227 #1194880 #1195009 #1195065 #1195184
#1195254
Cross- CVE-2021-22600 CVE-2021-39648 CVE-2021-39657
CVE-2021-45095 CVE-2022-0330 CVE-2022-0435
CVE-2022-22942
CVSS scores:
CVE-2021-22600 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-22600 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2021-39648 (SUSE): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CVE-2021-39657 (SUSE): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVE-2021-45095 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVE-2021-45095 (SUSE): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVE-2022-0435 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2022-22942 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
SUSE Enterprise Storage 7
SUSE Linux Enterprise High Availability 15-SP2
SUSE Linux Enterprise High Performance Computing 15-SP2
SUSE Linux Enterprise High Performance Computing 15-SP2-ESPOS
SUSE Linux Enterprise High Performance Computing 15-SP2-LTSS
SUSE Linux Enterprise Micro 5.0
SUSE Linux Enterprise Module for Live Patching 15-SP2
SUSE Linux Enterprise Realtime Extension 15-SP2
SUSE Linux Enterprise Server 15-SP2
SUSE Linux Enterprise Server 15-SP2-BCL
SUSE Linux Enterprise Server 15-SP2-LTSS
SUSE Linux Enterprise Server for SAP 15-SP2
SUSE Linux Enterprise Server for SAP Applications 15-SP2
SUSE Linux Enterprise Storage 7
SUSE Manager Proxy 4.1
SUSE Manager Retail Branch Server 4.1
SUSE Manager Server 4.1
https://www.suse.com/security/cve/CVE-2021-22600.html
https://www.suse.com/security/cve/CVE-2021-39648.html
https://www.suse.com/security/cve/CVE-2021-39657.html
https://www.suse.com/security/cve/CVE-2021-45095.html
https://www.suse.com/security/cve/CVE-2022-0330.html
https://www.suse.com/security/cve/CVE-2022-0435.html
https://www.suse.com/security/cve/CVE-2022-22942.html
https://bugzilla.suse.com/1177599
https://bugzilla.suse.com/1183405
https://bugzilla.suse.com/1185377
https://bugzilla.suse.com/1188605
https://bugzilla.suse.com/1193096
https://bugzilla.suse.com/1193506
https://bugzilla.suse.com/1193861
https://bugzilla.suse.com/1193864
https://bugzilla.suse.com/1193867
https://bugzilla.suse.com/1194048
https://bugzilla.suse.com/1194227
https://bugzilla.suse.com/1194880
https://bugzilla.suse.com/1195009
https://bugzilla.suse.com/1195065
https://bugzilla.suse.com/1195184
https://bugzilla.suse.com/1195254