ELSA-2021-9215

Описание

[4.1.12-124.50.2]

• btrfs: fix race when cloning extent buffer during rewind of an old root (Filipe Manana) [Orabug: 32669454] {CVE-2021-28964}
• xen-blkback: don't leak persistent grants from xen_blkbk_map() (Jan Beulich) [Orabug: 32697855] {CVE-2021-28688}
• netfilter: x_tables: Use correct memory barriers. (Mark Tomlinson) [Orabug: 32709125] {CVE-2021-29650}
• netfilter: x_tables: make xt_replace_table wait until old rules are not used anymore (Florian Westphal) [Orabug: 32709125] {CVE-2021-29650}
• do_epoll_ctl(): clean the failure exits up a bit (Al Viro) [Orabug: 32759496] {CVE-2020-0466}
• epoll: Keep a reference on files added to the check list (Marc Zyngier) [Orabug: 32759496] {CVE-2020-0466}
• HID: core: Sanitize event code and type when mapping input (Marc Zyngier) [Orabug: 32759553] {CVE-2020-0465}

[4.1.12-124.50.1]

• floppy: fix lock_fdc() signal handling (Jiri Kosina) [Orabug: 32624116] {CVE-2021-20261}
• Xen/gnttab: handle p2m update errors on a per-slot basis (Jan Beulich) [Orabug: 32651478] {CVE-2021-28038}
• n_tty: Fix stall at n_tty_receive_char_special(). (Tetsuo Handa) [Orabug: 32656942] {CVE-2021-20219}
• fork: fix copy_process(CLONE_PARENT) race with the exiting ->real_parent (Eddy Wu) [Orabug: 32695783] {CVE-2020-35508}
• Return EBUSY from BLKRRPART for mounted whole-dev fs (Eric Sandeen) [Orabug: 32696741]
• SecureBoot Digicert 2021 certificates update (Brian Maly) [Orabug: 32734505]