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The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various
security and bugfixes.
The following security bugs were fixed:
- CVE-2020-36516: Fixed TCP session data injection vulnerability via the
mixed IPID assignment method (bnc#1196616).
- CVE-2020-36557: Fixed race condition between the VT_DISALLOCATE ioctl
and closing/opening of ttys that could lead to a use-after-free
(bnc#1201429).
- CVE-2020-36558: Fixed race condition involving VT_RESIZEX that could
lead to a NULL pointer dereference and general protection fault
(bnc#1200910).
- CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO
(bnc#1201635).
- CVE-2021-33656: Fixed out of bounds write with ioctl PIO_FONT
(bnc#1201636).
- CVE-2022-1116: Fixed a integer overflow vulnerability in io_uring which
allowed a local attacker to cause memory corruption and escalate
privileges to root (bnc#1199647).
- CVE-2022-1462: Fixed an out-of-bounds read flaw in the TeleTYpe
subsystem (bnc#1198829).
- CVE-2022-2318: Fixed a use-after-free vulnerabilities in the timer
handler in net/rose/rose_timer.c that allow attackers to crash the
system without any privileges (bsc#1201251).
- CVE-2022-2639: Fixed integer underflow that could lead to out-of-bounds
write in reserve_sfa_size() (bsc#1202154).
- CVE-2022-20166: Fixed possible out of bounds write due to sprintf
unsafety that could cause local escalation of privilege (bnc#1200598)
- CVE-2022-21505: Fixed kexec lockdown bypass with IMA policy
(bsc#1201458).
- CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742: Fixed
multiple potential data leaks with Block and Network devices when using
untrusted backends (bsc#1200762).
- CVE-2022-29581: Fixed improper update of Reference Count in net/sched
that could cause root privilege escalation (bnc#1199665).
- CVE-2022-32250: Fixed user-after-free in net/netfilter/nf_tables_api.c
that could allow local privilege escalation (bnc#1200015).
- CVE-2022-36946: Fixed incorrect packet truncation in nfqnl_mangle() that
could lead to remote DoS (bnc#1201940).
The following non-security bugs were fixed:
https://lists.suse.com/pipermail/sle-security-updates/2022-August/011976.html
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