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 24 for SLE 15)
This update for the Linux Kernel 4.12.14-150_72 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 14 for SLE 12 SP4)
This update for the Linux Kernel 4.12.14-95_54 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).
- Fixed an issue where NFS client filesystems got unmounted on fail-over (bsc#1182468).
- Fixed an issue where NFS client hanged on write errors (bsc#1182108).
- 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 f
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
Security update for the Linux Kernel (Live Patch 17 for SLE 15 SP1)
This update for the Linux Kernel 4.12.14-197_64 fixes several issues.
The following security issues were fixed:
- CVE-2020-25668: Fixed a concurrency use-after-free in con_font_op (bsc#1178622).
- CVE-2020-8694: Fixed an insufficient access control in the Linux kernel driver for some Intel(R) Processors which might have allowed an authenticated user to potentially enable information disclosure via local access (bsc#1178700).
- CVE-2020-25705: Fixed a flaw which could have allowed an off-path remote user to effectively bypass source port UDP randomization (bsc#1178783).
- Fixed an issue where system was hanging due to a massive amount of sof
Security update for the Linux Kernel (Live Patch 17 for SLE 15)
This update for the Linux Kernel 4.12.14-150_47 fixes several issues.
The following security issues were fixed:
- CVE-2020-0430: Fixed an OOB read in skb_headlen of /include/linux/skbuff.h (bsc#1176723, bsc#1178003).
- CVE-2020-12351: Fixed a type confusion while processing AMP packets aka 'BleedingTooth' aka 'BadKarma' (bsc#1177724, bsc#1177729, bsc#1178397).
- CVE-2020-25645: Fixed an an issue in IPsec that caused traffic between two Geneve endpoints to be unencrypted (bnc#1177513).
Security update for the Linux Kernel (Live Patch 9 for SLE 12 SP5)
This update for the Linux Kernel 4.12.14-122_37 fixes several issues.
The following security issues were fixed:
- CVE-2020-14381: Fixed a use-after-free in the fast user mutex (futex) wait operation, which could have lead to memory corruption and possibly privilege escalation (bsc#1176011).
- CVE-2020-25212: A TOCTOU mismatch in the NFS client code could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c (bsc#1176381).
The SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2020-1749: Use ip6_dst_lookup_flow instead of ip6_dst_lookup (bsc#1165629).
- CVE-2020-14314: Fixed a potential negative array index in do_split() (bsc#1173798).
- CVE-2020-14356: Fixed a null pointer dereference in cgroupv2 subsystem which could have led to privilege escalation (bsc#1175213).
- CVE-2020-14331: Fixed a missing check in vgacon scrollback handling (bsc#1174205).
- CVE-2020-16166: Fixed a potential issue which could have allowed remote attackers to make observations that help to obtain sen