The SUSE Linux Enterprise 11 SP3 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2020-10942: In get_raw_socket in drivers/vhost/net.c lacks validation of an sk_family field, which might allow attackers to trigger kernel stack corruption via crafted system calls (bsc#1167629). - CVE-2020-8647: There was a use-after-free vulnerability in the vc_do_resize function in drivers/tty/vt/vt.c (bsc#1162929). - CVE-2020-8649: There was a use-after-free vulnerability in the vgacon_invert_region function in drivers/video/console/vgacon.c (bsc#1162931). - CVE-2020-9383: An issue was discovered set_fdc in drivers/block/floppy.c leads to a wait_til_ready out-of-bounds read because the FDC index is not checked for errors before assigning it (bsc#1165111). - CVE-2019-19768: Fixed a use-after-free in the __blk_add_trace function in kernel/trace/blktrace.c (bsc#1159285). - CVE-2020-11608: Fixed a NULL pointer dereferences in ov511_mode_init_regs and ov518_mode_init_regs when there are zero endpoints (bsc#1168829). - CVE-2020-8648: There was a use-after-free vulnerability in the n_tty_receive_buf_common function in drivers/tty/n_tty.c (bsc#1162928). - CVE-2019-18675: Fixed an Integer Overflow in cpia2_remap_buffer in drivers/media/usb/cpia2/cpia2_core.c because cpia2 has its own mmap implementation. This allowed local users to obtain read and write permissions on kernel physical pages, which can possibly result in a privilege escalation (bsc#1157804).
The following non-security bugs were fixed:
- Input: add safety guards to input_set_keycode() (bsc#1168075). - blk: Fix kabi due to blk_trace_mutex addition (bsc#1159285). - blktrace: fix dereference after null check (bsc#1159285). - blktrace: fix trace mutex deadlock (bsc#1159285). - ext3: Initialize i_datasync_tid for new inodes (bsc#1145340). - media: ov519: add missing endpoint sanity checks (bsc#1168829). - media: stv06xx: add missing descriptor sanity checks (bsc#1168854). - rpm/kernel-binary.spec.in: Replace Novell with SUSE - x86: fix speculation bug reporting (bnc#1012382).
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