Security update for the Linux Kernel (Live Patch 38 for SLE 12 SP3)
This update for the Linux Kernel 4.4.180-94_141 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 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-2021-4202: Fixed NFC race condition by adding NCI_UNREG flag (bsc#1194533).
- 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 38 for SLE 12 SP3)
This update for the Linux Kernel 4.4.180-94_141 fixes several issues.
The following security issues were fixed:
- CVE-2018-25020: Fixed an issue in the BPF subsystem in the Linux kernel mishandled situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. (bsc#1193575)
- 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
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 one issue.
The following security issue was fixed:
- 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 40 for SLE 12 SP3)
This update for the Linux Kernel 4.4.180-94_147 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).
Security update for the Linux Kernel (Live Patch 38 for SLE 12 SP3)
This update for the Linux Kernel 4.4.180-94_141 fixes several issues.
The following security issues were fixed:
- CVE-2021-3715: Fixed a user-after-free in the Linux kernel's Traffic Control networking subsystem which could lead to local privilege escalation. (bsc#1190350).
- 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-20
Security update for the Linux Kernel (Live Patch 35 for SLE 12 SP3)
This update for the Linux Kernel 4.4.180-94_130 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-2021-38198: Fixed KVM MMU to use the correct inherited permissions to get shadow page (bsc#1189278).
Security update for the Linux Kernel (Live Patch 39 for SLE 12 SP3)
This update for the Linux Kernel 4.4.180-94_144 fixes several issues.
The following security issues were fixed:
- 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 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-2021-0605: 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)
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 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 regression with the last livepatch which caused a kernel warning during sysfs read (bsc#1186235).
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-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 38 for SLE 12 SP3)
This update for the Linux Kernel 4.4.180-94_141 fixes one issue.
The following security issue was fixed:
- CVE-2021-28688: Fixed an issue introduced by XSA-365 (bsc##1182294, bsc#1183646).
Security update for the Linux Kernel (Live Patch 38 for SLE 12 SP3)
This update for the Linux Kernel 4.4.180-94_141 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).
- CVE-2020-25645: Fixed an an issue in IPsec that caused traffic between two Geneve endpoints to be unencrypted (bsc#117751
The SUSE Linux Enterprise 12 SP3 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping (XSA-365 bsc#1181843).
- CVE-2021-26931: Fixed an issue where Linux kernel was treating grant mapping errors as bugs (XSA-362 bsc#1181753).
- CVE-2021-26932: Fixed improper error handling issues in Linux grant mapping (XSA-361 bsc#1181747).
- CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI target code which could have been used
by remote attackers to read or write files via directory traversal in an XCOPY