Security update for the Linux Kernel (Live Patch 29 for SLE 15 SP1)
This update for the Linux Kernel 4.12.14-197_108 fixes several issues.
The following security issues were fixed:
- CVE-2022-43945: Fixed a buffer overflow in the NFSD implementation (bsc#1205128).
- CVE-2022-4378: Fixed stack overflow in __do_proc_dointvec (bsc#1206207).
- CVE-2022-3586: Fixed use-after-free in socket buffer (SKB) that could allow a local unprivileged user to cause a denial of service (bsc#1204439).
- CVE-2022-3545: Fixed a use-after-free in area_cache_get() of the file drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c (bsc#1204415).
- CVE-2022-41218: Fixed a use-after-free caused by refcount races, affecting dvb_dem
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 0 for SLE 15 SP4)
This update for the Linux Kernel 5.14.21-150400_22 fixes several issues.
The following security issues were fixed:
- CVE-2022-29581: Fixed an improper Update of Reference Count vulnerability in net/sched that causes privilege escalation to root (bsc#1199695).
- 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-2022-1652: 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 27 for SLE 12 SP5)
This update for the Linux Kernel 4.12.14-122_106 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-2022-1419: Fixed a concurrency use-after-free in vgem_gem_dumb_create (bsc#1198742).
- 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-aft
Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP4)
This update for the Linux Kernel 5.14.21-150400_22 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 SP1)
This update for the Linux Kernel 4.12.14-197_99 fixes one issue.
The following security issue was fixed:
- 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 26 for SLE 12 SP5)
This update for the Linux Kernel 4.12.14-122_103 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 11 for SLE 15 SP3)
This update for the Linux Kernel 5.3.18-59_40 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 27 for SLE 12 SP5)
This update for the Linux Kernel 4.12.14-122_106 fixes one issue.
The following security issue was fixed:
- 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 27 for SLE 15 SP1)
This update for the Linux Kernel 4.12.14-197_102 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-2022-1011: Fixed an use-after-free vulnerability which could allow a local attacker to retireve (partial) /etc/shadow hashes or any other data from filesystem when he can mount a FUSE filesystems. (bsc#1197344)
Security update for the Linux Kernel (Live Patch 20 for SLE 12 SP5)
This update for the Linux Kernel 4.12.14-122_77 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-2022-22942: Fixed stale file descriptors on failed usercopy. (bsc#1195065)
Security update for the Linux Kernel (Live Patch 41 for SLE 12 SP3)
This update for the Linux Kernel 4.4.180-94_150 fixes several issues.
The following security issues were fixed:
- CVE-2022-0487: A use-after-free vulnerability was found in rtsx_usb_ms_drv_remove() in drivers/memstick/host/rtsx_usb_ms.c (bsc#1194516).
- 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 23 for SLE 15 SP1)
This update for the Linux Kernel 4.12.14-197_86 fixes one issue.
The following security issue was fixed:
- CVE-2021-0920: Fixed a local privilege escalation due to an use after free bug in unix_gc (bsc#1194463).
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 27 for SLE 15 SP1)
This update for the Linux Kernel 4.12.14-197_102 fixes one issue.
The following security issue was fixed:
- CVE-2021-0935: In ip6_xmit of ip6_output.c, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. (bsc#1192032)
The SUSE Linux Enterprise 12 SP5 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