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 11 for SLE 15 SP2)
This update for the Linux Kernel 5.3.18-24_52 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 13 for SLE 15 SP1)
This update for the Linux Kernel 4.12.14-197_48 fixes several issues.
The following security issues were fixed:
- CVE-2021-0605: Fixed an out-of-bounds read which could lead to local information disclosure in the kernel with System execution privileges needed. (bsc#1187687)
- CVE-2021-0512: Fixed a possible out-of-bounds write which could lead to local escalation of privilege with no additional execution privileges needed. (bsc#1187597)
- 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 0 for SLE 15 SP2)
This update for the Linux Kernel 5.3.18-22 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-2021-32399: 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 0 for SLE 15 SP2)
This update for the Linux Kernel 5.3.18-22 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-2021-29154: Fixed BPF JIT compilers that allowed to execute arbitrary code within the kernel context (bsc#1184710)
Security update for the Linux Kernel (Live Patch 20 for SLE 15)
This update for the Linux Kernel 4.12.14-150_58 fixes several issues.
The following security issues 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#1184171).
- CVE-2021-28688: Fixed an issue introduced by XSA-365 (bsc##1182294, bsc#1183646).
- CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping (XSA-365 bsc#1182294).
- CVE-2021-26931: Fixed an issue where Linux kernel was treating grant mapping errors as bugs (XSA-362 bsc#1183022).
Security update for the Linux Kernel (Live Patch 37 for SLE 12 SP3)
This update for the Linux Kernel 4.4.180-94_138 fixes several issues.
The following security issues were fixed:
- CVE-2021-27365: Fixed an issue where data structures did not have appropriate length constraints or checks, and could exceed the PAGE_SIZE value (bsc#1183491).
- CVE-2021-27363: Fixed a kernel pointer leak which could have been used to determine the address of the iscsi_transport structure (bsc#1183120).
- CVE-2021-27364: Fixed an issue where an unprivileged user could craft Netlink messages (bsc#1182717).
Security update for the Linux Kernel (Live Patch 18 for SLE 15)
This update for the Linux Kernel 4.12.14-150_52 fixes several issues.
The following security issues were fixed:
- CVE-2020-29368: Fixed an issue in copy-on-write implementation which could have granted unintended write access because of a race condition in a THP mapcount check (bsc#1179664).
- CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault handling, allowing local users to execute code in the kernel (bsc#1181553).
- CVE-2020-27786: Fixed a potential user after free which could have led to memory corruption or privilege escalation (bsc#1179616).
- CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI ta
Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP1)
This update for the Linux Kernel 4.12.14-197_34 fixes several issues.
The following security issues were fixed:
- CVE-2020-36158: Fixed a potential remote code execution in the Marvell mwifiex driver (bsc#1180562).
- CVE-2020-0465: Fixed multiple missing bounds checks in hid-multitouch.c that could have led to local privilege escalation (bnc#1180030).
- CVE-2020-0466: Fixed a use-after-free due to a logic error in do_epoll_ctl and ep_loop_check_proc of eventpoll.c (bnc#1180032.
- CVE-2020-29569: Fixed a use after free due to a logic error (bsc#1180008).
- CVE-2020-29660: Fixed a locking inconsistency in the tty subsystem that may have allo
The SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bug fixes.
The following security bugs were fixed:
- CVE-2020-25705: A flaw in the way reply ICMP packets are limited in was found that allowed to quickly scan open UDP ports. This flaw allowed an off-path remote user to effectively bypassing source port UDP randomization. The highest threat from this vulnerability is to confidentiality and possibly integrity, because software and services that rely on UDP source port randomization (like DNS) are indirectly affected as well. Kernel versions may be vulnerable to this issue (bsc#1175721, bsc#1178782).
- CVE-2