{"schema_version":"1.7.3","id":"SUSE-SU-2023:3333-1","published":"2023-08-16T10:45:46Z","modified":"2026-02-04T04:25:41.641150Z","related":["CVE-2017-18344","CVE-2018-3639","CVE-2022-40982","CVE-2022-45919","CVE-2023-0459","CVE-2023-20593","CVE-2023-3141","CVE-2023-3159","CVE-2023-3161","CVE-2023-3268","CVE-2023-3567","CVE-2023-35824","CVE-2023-3776"],"upstream":["CVE-2017-18344","CVE-2018-3639","CVE-2022-40982","CVE-2022-45919","CVE-2023-0459","CVE-2023-20593","CVE-2023-3141","CVE-2023-3159","CVE-2023-3161","CVE-2023-3268","CVE-2023-3567","CVE-2023-35824","CVE-2023-3776"],"summary":"Security update for the Linux Kernel","details":"\nThe SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security and bugfixes.\n\nThe following security bugs were fixed:\n\n- CVE-2023-3268: Fixed an out of bounds memory access flaw in relay_file_read_start_pos in the relayfs (bsc#1212502).\n- CVE-2023-3776: Fixed improper refcount update in  cls_fw leads to use-after-free (bsc#1213588).\n- CVE-2022-40982: Fixed transient execution attack called 'Gather Data Sampling' (bsc#1206418).\n- CVE-2023-3567: Fixed a use-after-free in vcs_read in drivers/tty/vt/vc_screen.c (bsc#1213167).\n- CVE-2023-0459: Fixed information leak in __uaccess_begin_nospec (bsc#1211738).\n- CVE-2023-20593: Fixed a ZenBleed issue in 'Zen 2' CPUs that could allow an attacker to potentially access sensitive information (bsc#1213286).\n- CVE-2018-3639: Fixed Speculative Store Bypass aka 'Memory Disambiguation' (bsc#1087082).\n- CVE-2017-18344: Fixed an OOB access led by an invalid check in timer_create. (bsc#1102851).\n- 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).\n- CVE-2023-35824: Fixed a use-after-free in dm1105_remove in drivers/media/pci/dm1105/dm1105.c (bsc#1212501).\n- CVE-2023-3161: Fixed shift-out-of-bounds in fbcon_set_font() (bsc#1212154).\n- 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).\n- CVE-2023-3159: Fixed use-after-free issue in driver/firewire in outbound_phy_packet_callback (bsc#1212128).\n\nThe following non-security bugs were fixed:\n\n- fbcon: Check font dimension limits (CVE-2023-3161 bsc#1212154).\n- firewire: fix potential uaf in outbound_phy_packet_callback() (CVE-2023-3159 bsc#1212128).\n- kABI: restore _copy_from_user on x86_64 and copy_to_user on x86 (bsc#1211738 CVE-2023-0459).\n- media: dm1105: Fix use after free bug in dm1105_remove due to race condition (bsc#1212501 CVE-2023-35824).\n- media: dvb-core: Fix use-after-free due to race condition at dvb_ca_en50221 (CVE-2022-45919 bsc#1205803).\n- memstick: r592: Fix UAF bug in r592_remove due to race condition (CVE-2023-3141 bsc#1212129 bsc#1211449).\n- net/sched: cls_fw: Fix improper refcount update leads to use-after-free (CVE-2023-3776 bsc#1213588).\n- pkt_sched: fix error return code in fw_change_attrs() (bsc#1213588).\n- pkt_sched: fix error return code in fw_change_attrs() (bsc#1213588).\n- posix-timer: Properly check sigevent->sigev_notify (CVE-2017-18344, bsc#1102851, bsc#1208715).\n- relayfs: fix out-of-bounds access in relay_file_read (bsc#1212502 CVE-2023-3268).\n- uaccess: Add speculation barrier to copy_from_user() (bsc#1211738 CVE-2023-0459).\n- vc_screen: don't clobber return value in vcs_read (bsc#1213167 CVE-2023-3567).\n- vc_screen: modify vcs_size() handling in vcs_read() (bsc#1213167 CVE-2023-3567).\n- vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF (bsc#1213167 CVE-2023-3567).\n- x86: Unify copy_from_user() size checking (bsc#1211738 CVE-2023-0459).\n- x86/copy_user: Unify the code by removing the 64-bit asm _copy_*_user() variants (bsc#1211738 CVE-2023-0459).\n- x86/cpu/amd: Add a Zenbleed fix (bsc#1213286, CVE-2023-20593).\n- x86/speculation: Add Gather Data Sampling mitigation (bsc#1206418, CVE-2022-40982).\n","affected":[{"package":{"name":"kernel-default","ecosystem":"SUSE:Linux Enterprise Server 11 SP4 LTSS EXTREME 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