SUSE-SU-2024:0463-1

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes.

The following security bugs were fixed:

• CVE-2024-1086: Fixed a use-after-free vulnerability inside the nf_tables component that could have been exploited to achieve local privilege escalation (bsc#1219434).
• CVE-2023-51780: Fixed a use-after-free in dovccioctl in net/atm/ioctl.c, because of a vcc_recvmsg race condition (bsc#1218730).
• CVE-2023-46838: Fixed an issue with Xen netback processing of zero-length transmit fragment (bsc#1218836).
• CVE-2021-33631: Fixed an integer overflow in ext4writeinlinedataend() (bsc#1219412).
• CVE-2023-6535: Fixed a NULL pointer dereference in nvmettcpexecute_request (bsc#1217988).
• CVE-2023-6536: Fixed a NULL pointer dereference in _nvmetreq_complete (bsc#1217989).
• CVE-2023-6356: Fixed a NULL pointer dereference in nvmettcpbuildpduiovec (bsc#1217987).
• CVE-2023-47233: Fixed a use-after-free in the device unplugging (disconnect the USB by hotplug) code inside the brcm80211 component (bsc#1216702).
• CVE-2023-51043: Fixed use-after-free during a race condition between a nonblocking atomic commit and a driver unload in drivers/gpu/drm/drm_atomic.c (bsc#1219120).
• CVE-2024-0775: Fixed use-after-free in _ext4remount in fs/ext4/super.c that could allow a local user to cause an information leak problem while freeing the old quota file names before a potential failure (bsc#1219053).
• CVE-2024-0565: Fixed an out-of-bounds memory read flaw in receiveencryptedstandard in fs/smb/client/smb2ops.c (bsc#1218832).
• CVE-2023-6915: Fixed a NULL pointer dereference problem in ida_free in lib/idr.c (bsc#1218804).
• CVE-2023-6040: Fixed an out-of-bounds access vulnerability while creating a new netfilter table, lack of a safeguard against invalid nf_tables family (pf) values within nf_tables_newtable function (bsc#1218752).
• CVE-2023-51782: Fixed use-after-free in roseioctl in net/rose/afrose.c because of a rose_accept race condition (bsc#1218757).

The following non-security bugs were fixed:

• Store the old kernel changelog entries in kernel-docs package (bsc#1218713).
• x86/entry/ia32: Ensure s32 is sign extended to s64 (bsc#1193285).