RHSA-2024:1250 - Security Advisory

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.0 Extended Update Support.

'Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Security Fix(es):

• kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)
• kernel: nfp: use-after-free in area_cache_get() (CVE-2022-3545)
• kernel: NULL pointer dereference in can_rcv_filter (CVE-2023-2166)
• kernel: Slab-out-of-bound read in compare_netdev_and_ip (CVE-2023-2176)
• kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390)
• kernel: out-of-bounds access in relay_file_read (CVE-2023-3268)
• kernel: vmxnet3: NULL pointer dereference in vmxnet3_rq_cleanup() (CVE-2023-4459)
• hw: Intel: Gather Data Sampling (GDS) side channel vulnerability (CVE-2022-40982,Downfall)
• kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails (CVE-2023-3609)
• kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment (CVE-2023-38409)
• kernel: Race Condition leading to UAF in Unix Socket could happen in sk_receive_queue ()
• kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (CVE-2023-40283)
• kernel: use after free in unix_stream_sendpage (CVE-2023-4622)
• kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (CVE-2023-2163)
• kernel: A heap out-of-bounds write when function perf_read_group is called and sibling_list is smaller than its child's sibling_list (CVE-2023-5717)
• kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination (CVE-2024-0646)
• kernel: use-after-free in IPv4 IGMP (CVE-2023-6932)
• kernel: refcount leak in ctnetlink_create_conntrack() (CVE-2023-7192)

Bug Fix(es):

• kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment (JIRA:RHEL-1104)
• [SanityOnly][kernel]BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:35 at: sock_map_update_elem_sys+0x85/0x2a0 (JIRA:RHEL-17572)
• kernel: vmxnet3: NULL pointer dereference in vmxnet3_rq_cleanup() (JIRA:RHEL-18084)
• kernel: NULL pointer dereference in can_rcv_filter (JIRA:RHEL-19463)
• kernel: hw: Intel: Gather Data Sampling (GDS) side channel vulnerability (JIRA:RHEL-8592)
• kernel: A heap out-of-bounds write (JIRA:RHEL-18008)
• kernel: Slab-out-of-bound read in compare_netdev_and_ip (JIRA:RHEL-19356)
• kernel: A flaw leading to a use-after-free in area_cache_get() (JIRA:RHEL-19454)
• kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (JIRA:RHEL-8978)
• kernel: use-after-free in smb2_is_status_io_timeout() (JIRA:RHEL-15167)
• kernel: various flaws (JIRA:RHEL-16148)
• kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (JIRA:RHEL-19001)
• kernel: refcount leak in ctnetlink_create_conntrack() (JIRA:RHEL-20307)
• RHEL9.0 - s390/qeth: recovery and set offline lose routes and IPv6 addr (JIRA:RHEL-17885)
• kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination (JIRA:RHEL-22092)
• dm multipath device suspend deadlocks waiting on a flush request (JIRA:RHEL-19103)
• 5.14.0-70.87.1.el9_0: aarch64 BUG: arch topology borken / the CLS domain not a subset of the MC domain (JIRA:RHEL-22501)
• RHEL-9.0 TEST-17-Setup-struct-perf-event-attr / bz1308907 test failure on Ice Lake (JIRA:RHEL-23085)
• Unbounded memory usage by TCP for receive buffers (JIRA:RHEL-16127)
• kernel: use-after-free in IPv4 IGMP (JIRA:RHEL-21648)
• rbd: don't move requests to the running list on errors (JIRA:RHEL-23861)
• kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion (CVE-2022-0480)
• kernel: GSM multiplexing race condition leads to privilege escalation (CVE-2023-6546)
• kernel: vmxgfx: NULL pointer dereference in vmw_cmd_dx_define_query (CVE-2022-38096)
• kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (CVE-2024-26602)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.0 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.0 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.0 ppc64le
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.0 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.0 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.0 x86_64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.0 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.0 ppc64le
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.0 s390x
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.0 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.0 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.0 s390x

Fixes

• BZ - 2049700 - CVE-2022-0480 kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion
• BZ - 2133452 - CVE-2022-38096 kernel: vmwgfx: NULL pointer dereference in vmw_cmd_dx_define_query
• BZ - 2154178 - CVE-2023-1192 kernel: use-after-free in smb2_is_status_io_timeout()
• BZ - 2161310 - CVE-2022-3545 kernel: nfp: use-after-free in area_cache_get()
• BZ - 2187813 - CVE-2023-2166 kernel: NULL pointer dereference in can_rcv_filter
• BZ - 2187931 - CVE-2023-2176 kernel: Slab-out-of-bound read in compare_netdev_and_ip
• BZ - 2213260 - CVE-2023-3390 kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests
• BZ - 2215502 - CVE-2023-3268 kernel: out-of-bounds access in relay_file_read
• BZ - 2219268 - CVE-2023-4459 kernel: vmxnet3: NULL pointer dereference in vmxnet3_rq_cleanup()
• BZ - 2223949 - CVE-2022-40982 hw: Intel: Gather Data Sampling (GDS) side channel vulnerability
• BZ - 2225201 - CVE-2023-3609 kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails
• BZ - 2230042 - CVE-2023-38409 kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment
• BZ - 2230094 - kernel: Race Condition leading to UAF in Unix Socket could happen in sk_receive_queue
• BZ - 2231800 - CVE-2023-40283 kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c
• BZ - 2237760 - CVE-2023-4622 kernel: use after free in unix_stream_sendpage
• BZ - 2240249 - CVE-2023-2163 kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe
• BZ - 2246945 - CVE-2023-5717 kernel: A heap out-of-bounds write when function perf_read_group is called and sibling_list is smaller than its child's sibling_list
• BZ - 2253908 - CVE-2024-0646 kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination
• BZ - 2255283 - CVE-2023-6932 kernel: use-after-free in IPv4 IGMP
• BZ - 2255498 - CVE-2023-6546 kernel: GSM multiplexing race condition leads to privilege escalation
• BZ - 2256279 - CVE-2023-7192 kernel: refcount leak in ctnetlink_create_conntrack()
• BZ - 2267695 - CVE-2024-26602 kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier

CVEs

• CVE-2022-0480
• CVE-2022-3545
• CVE-2022-38096
• CVE-2022-40982
• CVE-2023-1192
• CVE-2023-2163
• CVE-2023-2166
• CVE-2023-2176
• CVE-2023-3268
• CVE-2023-3390
• CVE-2023-3609
• CVE-2023-4459
• CVE-2023-4622
• CVE-2023-5717
• CVE-2023-6546
• CVE-2023-6932
• CVE-2023-7192
• CVE-2023-38409
• CVE-2023-40283
• CVE-2024-0646
• CVE-2024-26602

References

• https://access.redhat.com/security/updates/classification/#important