SUSE-SU-2023:3333-1: kernel-default&distro=SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE SUSE Linux Enterprise

Vulnerability summary

SUSE-SU-2023:3333-1 is a vulnerability in kernel-default&distro=SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE SUSE Linux Enterprise with no CVSS score yet.

Timeline

1. 16-08-2023
   PublishedVulnerability first disclosed.
2. 04-02-2026
   Last modifiedVulnerability information updated.

Description

Security update for the Linux Kernel The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2023-3268: Fixed an out of bounds memory access flaw in relay_file_read_start_pos in the relayfs (bsc#1212502). - CVE-2023-3776: Fixed improper refcount update in cls_fw leads to use-after-free (bsc#1213588). - CVE-2022-40982: Fixed transient execution attack called 'Gather Data Sampling' (bsc#1206418). - CVE-2023-3567: Fixed a use-after-free in vcs_read in drivers/tty/vt/vc_screen.c (bsc#1213167). - CVE-2023-0459: Fixed information leak in __uaccess_begin_nospec (bsc#1211738). - CVE-2023-20593: Fixed a ZenBleed issue in 'Zen 2' CPUs that could allow an attacker to potentially access sensitive information (bsc#1213286). - CVE-2018-3639: Fixed Speculative Store Bypass aka 'Memory Disambiguation' (bsc#1087082). - CVE-2017-18344: Fixed an OOB access led by an invalid check in timer_create. (bsc#1102851). - CVE-2022-45919: Fixed a use-after-free in dvb_ca_en50221.c that could occur if there is a disconnect after an open, because of the lack of a wait_event (bsc#1205803). - CVE-2023-35824: Fixed a use-after-free in dm1105_remove in drivers/media/pci/dm1105/dm1105.c (bsc#1212501). - CVE-2023-3161: Fixed shift-out-of-bounds in fbcon_set_font() (bsc#1212154). - CVE-2023-3141: Fixed a use-after-free flaw in r592_remove in drivers/memstick/host/r592.c, that allowed local attackers to crash the system at device disconnect (bsc#1212129). - CVE-2023-3159: Fixed use-after-free issue in driver/firewire in outbound_phy_packet_callback (bsc#1212128). The following non-security bugs were fixed: - fbcon: Check font dimension limits (CVE-2023-3161 bsc#1212154). - firewire: fix potential uaf in outbound_phy_packet_callback() (CVE-2023-3159 bsc#1212128). - kABI: restore _copy_from_user on x86_64 and copy_to_user on x86 (bsc#1211738 CVE-2023-0459). - media: dm1105: Fix use after free bug in dm1105_remove due to race condition (bsc#1212501 CVE-2023-35824). - media: dvb-core: Fix use-after-free due to race condition at dvb_ca_en50221 (CVE-2022-45919 bsc#1205803). - memstick: r592: Fix UAF bug in r592_remove due to race condition (CVE-2023-3141 bsc#1212129 bsc#1211449). - net/sched: cls_fw: Fix improper refcount update leads to use-after-free (CVE-2023-3776 bsc#1213588). - pkt_sched: fix error return code in fw_change_attrs() (bsc#1213588). - pkt_sched: fix error return code in fw_change_attrs() (bsc#1213588). - posix-timer: Properly check sigevent->sigev_notify (CVE-2017-18344, bsc#1102851, bsc#1208715). - relayfs: fix out-of-bounds access in relay_file_read (bsc#1212502 CVE-2023-3268). - uaccess: Add speculation barrier to copy_from_user() (bsc#1211738 CVE-2023-0459). - vc_screen: don't clobber return value in vcs_read (bsc#1213167 CVE-2023-3567). - vc_screen: modify vcs_size() handling in vcs_read() (bsc#1213167 CVE-2023-3567). - vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF (bsc#1213167 CVE-2023-3567). - x86: Unify copy_from_user() size checking (bsc#1211738 CVE-2023-0459). - x86/copy_user: Unify the code by removing the 64-bit asm _copy_*_user() variants (bsc#1211738 CVE-2023-0459). - x86/cpu/amd: Add a Zenbleed fix (bsc#1213286, CVE-2023-20593). - x86/speculation: Add Gather Data Sampling mitigation (bsc#1206418, CVE-2022-40982).

No weakness data has been published for this record.