RHSA-2024:0412 - Security Advisory

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.6 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

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (CVE-2023-2163)
• kernel: net/sched: multiple vulnerabilities (CVE-2023-3611, CVE-2023-4623)
• kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)
• kernel: use after free in unix_stream_sendpage (CVE-2023-4622)
• kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)
• kernel: out-of-bounds write in qfq_change_class function (CVE-2023-31436)
• kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)
• kernel: IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871)
• kernel: multiple race condition vulnerabilities (CVE-2022-3028, CVE-2022-3522, CVE-2023-33203, CVE-2023-35823, CVE-2023-35824, CVE-2022-3567, BZ#2230094)
• kernel: swiotlb information leak with DMA_FROM_DEVICE (CVE-2022-0854)
• kernel: uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM (CVE-2022-1016)
• kernel: use-after-free in ath9k_htc_probe_device() could cause an escalation of privileges (CVE-2022-1679)
• kernel: USB-accessible buffer overflow in brcmfmac (CVE-2022-3628)
• kernel: multiple NULL pointer dereference vulnerabilities (CVE-2022-4129, CVE-2022-47929, CVE-2023-0394, CVE-2023-3772, CVE-2023-4459)
• kernel: igmp: use-after-free in ip_check_mc_rcu when opening and closing inet sockets (CVE-2022-20141)
• kernel: Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option (CVE-2022-30594)
• hw: Intel: Gather Data Sampling (GDS) side channel vulnerability (CVE-2022-40982)
• kernel: Report vmalloc UAF in dvb-core/dmxdev (CVE-2022-41218)
• kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip (CVE-2022-41858)
• kernel: memory corruption in usbmon driver (CVE-2022-43750)
• kernel: HID: multiple vulnerabilities (CVE-2023-1073, CVE-2023-1079)
• kernel: use-after-free caused by invalid pointer hostname in fs/cifs/connect.c (CVE-2023-1195)
• kernel: denial of service in tipc_conn_close (CVE-2023-1382)
• kernel: Possible use-after-free since the two fdget() during vhost_net_set_backend() (CVE-2023-1838)
• kernel: Spectre v2 SMT mitigations problem (CVE-2023-1998)
• Kernel: UAF during login when accessing the shost ipaddress (CVE-2023-2162)
• kernel: i2c: out-of-bounds write in xgene_slimpro_i2c_xfer() (CVE-2023-2194)
• kernel: ext4: use-after-free in ext4_xattr_set_entry() (CVE-2023-2513)
• kernel: fbcon: shift-out-of-bounds in fbcon_set_font() (CVE-2023-3161)
• kernel: out-of-bounds access in relay_file_read (CVE-2023-3268)
• kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race (CVE-2023-3567)
• kernel: Race between task migrating pages and another task calling exit_mmap (CVE-2023-4732)
• kernel: slab-out-of-bounds read vulnerabilities in cbq_classify (CVE-2023-23454)
• kernel: mpls: double free on sysctl allocation failure (CVE-2023-26545)
• kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment (CVE-2023-38409)
• kernel: use-after-free after removing device in wb_inode_writeback_end in mm/page-writeback.c (CVE-2024-0562)
• kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)
• kernel: use-after-free bug in remove function xgene_hwmon_remove (CVE-2023-1855)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

• bpf_jit_limit hit again (BZ#2243013)
• HPE Edgeline 920t resets during kdump context when ice driver is loaded and when system is booted with intel_iommu=on iommu=pt (BZ#2244627)
• RHEL8.6 - s390/dasd: Use correct lock while counting channel queue length (BZ#2250882)

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 8.6 x86_64
• Red Hat Enterprise Linux Server - AUS 8.6 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6 ppc64le
• Red Hat Virtualization Host 4 for RHEL 8 x86_64
• Red Hat Enterprise Linux Server - TUS 8.6 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 8.6 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 8.6 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 8.6 aarch64

Fixes

• BZ - 2058395 - CVE-2022-0854 kernel: swiotlb information leak with DMA_FROM_DEVICE
• BZ - 2066614 - CVE-2022-1016 kernel: uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM
• BZ - 2084125 - CVE-2022-1679 kernel: use-after-free in ath9k_htc_probe_device() could cause an escalation of privileges
• BZ - 2085300 - CVE-2022-30594 kernel: Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option
• BZ - 2087568 - CVE-2023-1838 kernel: Possible use-after-free since the two fdget() during vhost_net_set_backend()
• BZ - 2114937 - CVE-2022-20141 kernel: igmp: use-after-free in ip_check_mc_rcu when opening and closing inet sockets
• BZ - 2122228 - CVE-2022-3028 kernel: race condition in xfrm_probe_algs can lead to OOB read/write
• BZ - 2122960 - CVE-2022-41218 kernel: Report vmalloc UAF in dvb-core/dmxdev
• BZ - 2134528 - CVE-2022-4129 kernel: l2tp: missing lock when clearing sk_user_data can lead to NULL pointer dereference
• BZ - 2143943 - CVE-2022-3567 kernel: data races around sk->sk_prot
• BZ - 2144379 - CVE-2022-41858 kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip
• BZ - 2150960 - CVE-2022-3628 kernel: USB-accessible buffer overflow in brcmfmac
• BZ - 2150979 - CVE-2022-3522 kernel: race condition in hugetlb_no_page() in mm/hugetlb.c
• BZ - 2151270 - CVE-2022-43750 kernel: memory corruption in usbmon driver
• BZ - 2154171 - CVE-2023-1195 kernel: use-after-free caused by invalid pointer hostname in fs/cifs/connect.c
• BZ - 2154178 - CVE-2023-1192 kernel: use-after-free in smb2_is_status_io_timeout()
• BZ - 2162120 - CVE-2023-0394 kernel: NULL pointer dereference in rawv6_push_pending_frames
• BZ - 2168246 - CVE-2022-47929 kernel: NULL pointer dereference in traffic control subsystem
• BZ - 2168297 - CVE-2023-23454 kernel: slab-out-of-bounds read vulnerabilities in cbq_classify
• BZ - 2173403 - CVE-2023-1073 kernel: HID: check empty report_list in hid_validate_values()
• BZ - 2173444 - CVE-2023-1079 kernel: hid: Use After Free in asus_remove()
• BZ - 2177371 - CVE-2023-1382 kernel: denial of service in tipc_conn_close
• BZ - 2182443 - CVE-2023-26545 kernel: mpls: double free on sysctl allocation failure
• BZ - 2184578 - CVE-2023-1855 kernel: use-after-free bug in remove function xgene_hwmon_remove
• BZ - 2187257 - CVE-2023-1998 kernel: Spectre v2 SMT mitigations problem
• BZ - 2187773 - CVE-2023-2162 kernel: UAF during login when accessing the shost ipaddress
• BZ - 2188396 - CVE-2023-2194 kernel: i2c: out-of-bounds write in xgene_slimpro_i2c_xfer()
• BZ - 2192667 - CVE-2023-33203 kernel: net: qcom/emac: race condition leading to use-after-free in emac_remove()
• BZ - 2192671 - CVE-2023-31436 kernel: out-of-bounds write in qfq_change_class function
• BZ - 2193097 - CVE-2023-2513 kernel: ext4: use-after-free in ext4_xattr_set_entry()
• BZ - 2213485 - CVE-2023-3161 kernel: fbcon: shift-out-of-bounds in fbcon_set_font()
• BZ - 2215502 - CVE-2023-3268 kernel: out-of-bounds access in relay_file_read
• BZ - 2215835 - CVE-2023-35823 kernel: saa7134: race condition leading to use-after-free in saa7134_finidev()
• BZ - 2215836 - CVE-2023-35824 kernel: dm1105: race condition leading to use-after-free in dm1105_remove.c()
• BZ - 2218943 - CVE-2023-3772 kernel: xfrm: NULL pointer dereference in xfrm_update_ae_params()
• BZ - 2219268 - CVE-2023-4459 kernel: vmxnet3: NULL pointer dereference in vmxnet3_rq_cleanup()
• BZ - 2221463 - CVE-2023-3567 kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race
• BZ - 2223949 - CVE-2022-40982 hw: Intel: Gather Data Sampling (GDS) side channel vulnerability
• BZ - 2224048 - CVE-2023-3812 kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags
• BZ - 2225191 - CVE-2023-3611 kernel: net/sched: sch_qfq component can be exploited if in qfq_change_agg function happens qfq_enqueue overhead
• 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 - 2236982 - CVE-2023-4732 kernel: Race between task migrating pages and another task calling exit_mmap to release those same pages getting invalid opcode BUG in include/linux/swapops.h
• BZ - 2237757 - CVE-2023-4623 kernel: net/sched: sch_hfsc UAF
• BZ - 2237760 - CVE-2023-4622 kernel: use after free in unix_stream_sendpage
• BZ - 2239843 - CVE-2023-42753 kernel: netfilter: potential slab-out-of-bound access due to integer underflow
• BZ - 2240249 - CVE-2023-2163 kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe
• BZ - 2241924 - CVE-2023-5178 kernel: use after free in nvmet_tcp_free_crypto in NVMe
• BZ - 2244723 - CVE-2023-45871 kernel: IGB driver inadequate buffer size for frames larger than MTU
• BZ - 2258475 - CVE-2024-0562 kernel: use-after-free after removing device in wb_inode_writeback_end in mm/page-writeback.c

CVEs

• CVE-2022-0854
• CVE-2022-1016
• CVE-2022-1679
• CVE-2022-3028
• CVE-2022-3522
• CVE-2022-3567
• CVE-2022-3628
• CVE-2022-4129
• CVE-2022-20141
• CVE-2022-30594
• CVE-2022-40982
• CVE-2022-41218
• CVE-2022-41858
• CVE-2022-43750
• CVE-2022-47929
• CVE-2023-0394
• CVE-2023-1073
• CVE-2023-1079
• CVE-2023-1192
• CVE-2023-1195
• CVE-2023-1382
• CVE-2023-1838
• CVE-2023-1855
• CVE-2023-1998
• CVE-2023-2162
• CVE-2023-2163
• CVE-2023-2194
• CVE-2023-2513
• CVE-2023-3161
• CVE-2023-3268
• CVE-2023-3567
• CVE-2023-3611
• CVE-2023-3772
• CVE-2023-3812
• CVE-2023-4459
• CVE-2023-4622
• CVE-2023-4623
• CVE-2023-4732
• CVE-2023-5178
• CVE-2023-23454
• CVE-2023-26545
• CVE-2023-31436
• CVE-2023-33203
• CVE-2023-35823
• CVE-2023-35824
• CVE-2023-38409
• CVE-2023-42753
• CVE-2023-45871
• CVE-2024-0562

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/solutions/7027704