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 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-2022-27666: 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 22 for SLE 12 SP5)
This update for the Linux Kernel 4.12.14-122_83 fixes several issues.
The following security issues were fixed:
- CVE-2020-3702: Fixed a bug which could be triggered with specifically timed and handcrafted traffic and cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure. (bsc#1191193)
- CVE-2021-42739: The firewire subsystem had a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandled bounds checking (bsc#1184673).
Security update for the Linux Kernel (Live Patch 20 for SLE 15 SP1)
This update for the Linux Kernel 4.12.14-197_75 fixes several issues.
The following security issues were fixed:
- 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 for exploitation (bnc#1192045).
- CVE-2021-20322: Make the ipv4 and ipv6 ICMP exception caches less predictive to avoid information leaks about UDP ports in use. (bsc#1191790)
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 several issues.
The following security issues were fixed:
- CVE-2021-0935: Fixed use after free that could lead to local escalation of privilege in ip6_xmit of ip6_output.c (bsc#1192042).
- CVE-2021-3752: Fixed vulnerability in the linux kernel Bluetooth uaf module (bsc#1190432).
- CVE-2021-41864: Fixed an integer overflow with a resultant out-of-bounds write in prealloc_elems_and_freelist in kernel/bpf/stackmap.c (bsc#1191318).
Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP3)
This update for the Linux Kernel 5.3.18-59_5 fixes several issues.
The following security issues were fixed:
- CVE-2021-38160: Fixed a bug that could lead to a data corruption or loss. This can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size in drivers/char/virtio_console.c (bsc#1190118)
- CVE-2021-3640: Fixed a user-after-free bug in the function sco_sock_sendmsg which could lead to local privilege escalation. (bsc#1188613)
- CVE-2021-3573: Fixed a user-after-free bug in the function hci_sock_bound_ioctl which could lead to local privilege escalation. (bsc#1187054).
Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP3)
This update for the Linux Kernel 5.3.18-59_19 fixes several issues.
The following security issues were fixed:
- CVE-2021-3653: Fixed missing validation of the KVM `int_ctl` VMCB field that would have allowed a malicious L1 guest to enable AVIC support for the L2 guest (bsc#1189420).
- CVE-2021-3656: Fixed KVM nSVM nested VMLOAD/VMSAVE interception (bsc#1189418).
- CVE-2021-38198: Fixed KVM MMU to use the correct inherited permissions to get shadow page (bsc#1189278).
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-2021-22543: Fixed an issue with KVM, related to the handling of VM_IO|VM_PFNMAP vmas, which allowed users with the ability to start and control a VM to read/write random pages of memory and could result in local privilege escalation (bsc#1186482).
- CVE-2021-37576: On the powerpc platform KVM guest OS users could cause host OS memory corruption via rtas_args.nargs (bsc#1188838).
- CVE-2021-3609: Fixed a local privilege escalation via a race condition in net/can/bcm.c (bsc#1187215).
Security update for the Linux Kernel (Live Patch 34 for SLE 12 SP3)
This update for the Linux Kernel 4.4.180-94_127 fixes several issues.
The following security issues were fixed:
- CVE-2021-33909: Fixed an out-of-bounds write in the filesystem layer that allows to andobtain full root privileges. (bsc#1188062)
- CVE-2021-22555: Fixed an heap out-of-bounds write in net/netfilter/x_tables.c that could allow local provilege escalation. (bsc#1188116)
- CVE-2020-36385: Fixed a use-after-free vulnerability reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called. (bnc#1187050)
Security update for the Linux Kernel (Live Patch 17 for SLE 12 SP5)
This update for the Linux Kernel 4.12.14-122_66 fixes one issue.
The following security issue was fixed:
- CVE-2021-23133: Fixed a race condition in the SCTP sockets that can lead to kernel privilege escalation from the context of a network service or an unprivileged process. (bsc#1185901)
Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP2)
This update for the Linux Kernel 5.3.18-24_61 fixes several issues.
The following issues were fixed:
- CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111).
- CVE-2021-23134: A Use After Free vulnerability in nfc sockets allowed local attackers to elevate their privileges (bnc#1186060).
- CVE-2021-32399: Fixed a race condition when removing the HCI controller (bnc#1184611).
- Fixed a data loss/data corruption that occurs if there is a write error on an md/raid array (bsc#1185680).
Security update for the Linux Kernel (Live Patch 17 for SLE 12 SP5)
This update for the Linux Kernel 4.12.14-122_66 fixes several issues.
The following security issues were fixed:
- CVE-2020-36322: Fixed an issue inside the FUSE filesystem implementation where fuse_do_getattr() calls make_bad_inode() in inappropriate situations, could have caused a system crash. NOTE: the original fix for this vulnerability was incomplete, and its incompleteness is tracked as CVE-2021-28950 (bsc#1184952).
- CVE-2021-3444: Fixed incorrect mod32 BPF verifier truncation (bsc#1184171).
- CVE-2021-3444: Fixed incorrect mod32 BPF verifier truncation (bsc#1184171).
The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2021-3444: Fixed an issue with the bpf verifier which did not properly handle mod32 destination register truncation when the source register was known to be 0 leading to out of bounds read (bsc#1184170).
- CVE-2021-3428: Fixed an integer overflow in ext4_es_cache_extent (bsc#1173485).
- CVE-2021-29647: Fixed an issue in qrtr_recvmsg which could have allowed attackers to obtain sensitive information from kernel memory because of a partially uninitialized data structure (bsc#1184192 ).
- CVE-2021-29265: