Security update for the Linux Kernel (Live Patch 27 for SLE 15 SP2)
This update for the Linux Kernel 5.3.18-150200_24_115 fixes several issues.
The following security issues were fixed:
- CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO (bnc#1201635).
- CVE-2022-2588: Fixed use-after-free in cls_route (bsc#1202096).
- CVE-2022-42703: Fixed use-after-free in mm/rmap.c related to leaf anon_vma double reuse (bnc#1204168).
- Fixed incorrect handling of empty arguments array in execve() (bsc#1200571).
Security update for the Linux Kernel (Live Patch 11 for SLE 15 SP3)
This update for the Linux Kernel 5.3.18-59_40 fixes several issues.
The following security issues were fixed:
- CVE-2022-41674: Fixed buffer overflow that can be triggered by injected WLAN frames (bsc#1203994).
- CVE-2022-42719: Fixed use-after-free in the mac80211 stack when parsing a multi-BSSID element (bsc#1204292).
- CVE-2022-42720: Fixed refcounting bugs in the multi-BSS handling of the mac80211 stack (bsc#1204291).
- CVE-2022-42721: Fixed list management bug in BSS handling of the mac80211 stack (bsc#1204290).
- CVE-2022-41222: Fixed a use-after-free via a stale TLB (bsc#1203624).
- CVE-2022-39189: Fixed mishandled TLB flush operatio
Security update for the Linux Kernel (Live Patch 24 for SLE 15 SP2)
This update for the Linux Kernel 5.3.18-24_102 fixes several issues.
The following security issues were fixed:
- CVE-2022-39188: Fixed a race condition between unmap_mapping_range() and munmap() on VM_PFNMAP mappings leads to stale TLB entry (bsc#1203116).
- CVE-2022-29581: Fixed an improper Update of Reference Count vulnerability in net/sched that causes privilege escalation to root (bsc#1199695).
- CVE-2022-1652: Fixed a use-after-free in bad_flp_intr (bsc#1200057).
Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP3)
This update for the Linux Kernel 5.3.18-59_34 fixes several issues.
The following security issues were fixed:
- CVE-2020-36516: Fixed an off-path attack via mixed IPID assignment method with the hash-based IPID assignment policy to inject data into a victim's TCP session or terminate that session (bsc#1196867).
- CVE-2022-36946: Fixed a remote denial of service attack inside nfqnl_mangle in net/netfilter/nfnetlink_queue.c, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative length (bsc#1201941).
Security update for the Linux Kernel (Live Patch 20 for SLE 15 SP2)
This update for the Linux Kernel 5.3.18-24_86 fixes several issues.
The following security issues were fixed:
- CVE-2022-28389: Fixed a double free in drivers/net/can/usb/mcba_usb.c vulnerability in the Linux kernel. (bnc#1198033)
- CVE-2022-26490: Fixed a buffer overflow in the st21nfca driver. An attacker with adjacent NFC access could crash the system or corrupt the system memory. (bsc#1196830)
- CVE-2022-28390: Fixed a double free in drivers/net/can/usb/ems_usb.c vulnerability in the Linux kernel (bnc#1198031).
- CVE-2022-1679: Fixed a use-after-free in the Atheros wireless driver in the way a user forces the ath9k_htc_wait_for_target
Security update for the Linux Kernel (Live Patch 26 for SLE 15 SP2)
This update for the Linux Kernel 5.3.18-150200_24_112 fixes several issues.
The following security issues were fixed:
- CVE-2022-20154: Fixed a use after free due to a race condition in lock_sock_nested of sock.c. This could lead to local escalation of privilege with System execution privileges needed (bsc#1200599).
- CVE-2022-21499: Reinforced the kernel lockdown feature, until now it's been trivial to break out of it with kgdb or kdb (bsc#1199426).
- CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).
Security update for the Linux Kernel (Live Patch 26 for SLE 15 SP2)
This update for the Linux Kernel 5.3.18-150200_24_112 fixes several issues.
The following security issues were fixed:
- CVE-2022-32250: Fixed an use-after-free bug in the netfilter subsystem. This flaw allowed a local attacker with user access to cause a privilege escalation issue. (bnc#1200015)
- CVE-2022-1116: Fixed an integer overflow vulnerability in io_uring that allows local attacker to cause memory corruption and escalate privileges to root. (bsc#1199647)
versions.
- CVE-2022-1734: Fixed a r/w use-after-free when non synchronized between cleanup routine and firmware download routine. (bnc#1199605)
Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP3)
This update for the Linux Kernel 5.3.18-59_16 fixes several issues.
The following security issues were fixed:
- CVE-2022-1048: Fixed a race Condition in snd_pcm_hw_free leading to use-after-free due to the AB/BA lock with buffer_mutex and mmap_lock (bsc#1197597).
- CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199602).
- Add missing module_mutex lock to module notifier for previous live patches (bsc#1199834).
Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP3)
This update for the Linux Kernel 5.3.18-59_24 fixes one issue.
The following security issue was fixed:
- CVE-2022-1280: Fixed a use-after-free vulnerability in drm_lease_held in drivers/gpu/drm/drm_lease.c. This flaw allowed a local user privilege attacker to cause a denial of service (DoS) or a kernel information leak (bsc#1198590).
Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP3)
This update for the Linux Kernel 5.3.18-59_34 fixes several issues.
The following security issues were fixed:
- - CVE-2022-1158: Fixed KVM x86/mmu compare-and-exchange of gPTE via the user address (bsc#1198133)
- CVE-2022-0330: A random memory access flaw was found in the Linux kernel's GPU i915 kernel driver functionality in the way a user may run malicious code on the GPU. This flaw allowed a local user to crash the system or escalate their privileges on the system. (bsc#1195950)
Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP3)
This update for the Linux Kernel 5.3.18-59_27 fixes several issues.
The following security issues were fixed:
- CVE-2022-1016: Fixed a vulnerability in the nf_tables component of the netfilter subsystem. This vulnerability gives an attacker a powerful primitive that can be used to both read from and write to relative stack data, which can lead to arbitrary code execution. (bsc#1197335)
- CVE-2022-1055: Fixed a use-after-free in tc_new_tfilter that could allow a local attacker to gain privilege escalation. (bnc#1197705)
- CVE-2022-1011: Fixed an use-after-free vulnerability which could allow a local attacker to retireve (partial) /etc/shadow
Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP3)
This update for the Linux Kernel 5.3.18-150300_59_46 fixes several issues.
The following security issues were fixed:
- CVE-2022-27666: Fixed a buffer overflow vulnerability in IPsec ESP transformation code. This flaw allowed a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation. (bnc#1197462)
- CVE-2021-39698: Fixed a possible memory corruption due to a use after free in aio_poll_complete_work. This could lead to local escalation of privilege with no additional execution privileges needed. (bsc#1196956)
- CVE-2022-22942: Fixed stale file descriptors on failed usercopy. (bsc
Security update for the Linux Kernel (Live Patch 24 for SLE 15 SP2)
This update for the Linux Kernel 5.3.18-24_102 fixes one issue.
The following security issue was fixed:
- CVE-2022-0492: Fixed a privilege escalation related to cgroups v1 release_agent feature, which allowed bypassing namespace isolation unexpectedly (bsc#1195543).
Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP3)
This update for the Linux Kernel 5.3.18-57 fixes several issues.
The following security issues were fixed:
- CVE-2022-0516: Fixed KVM s390 return error on SIDA memop on normal guest (bsc#1195947).
- CVE-2021-0920: Fixed a local privilege escalation due to an use after free bug in unix_gc (bsc#1194463).
- 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 (bsc#1195307).
Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP3)
This update for the Linux Kernel 5.3.18-59_37 fixes several issues.
The following security issues were fixed:
- CVE-2021-4202: Fixed NFC race condition by adding NCI_UNREG flag (bsc#1194533).
- CVE-2022-0435: Fixed remote stack overflow in net/tipc module that validate domain record count on input (bsc#1195308).
- CVE-2021-4083: Fixed a read-after-free memory flaw inside the garbage collection for Unix domain socket file handlers when users call close() and fget() simultaneouslyand can potentially trigger a race condition (bnc#1194460).
Security update for the Linux Kernel (Live Patch 22 for SLE 15 SP2)
This update for the Linux Kernel 5.3.18-24_96 fixes one issue.
The following security issue was fixed:
- CVE-2022-0185: Incorrect param length parsing in legacy_parse_param which could have led to a local privilege escalation (bsc#1194517).
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- Unprivileged BPF has been disabled by default to reduce attack surface as too many security issues have happened in the past (jsc#SLE-22573)
You can reenable via systemctl setting /proc/sys/kernel/unprivileged_bpf_disabled to 0. (kernel.unprivileged_bpf_disabled = 0)
- CVE-2021-0941: In bpf_skb_change_head of filter.c, there is a possible out of bounds read due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed