[El-errata] ELSA-2020-3220 Important: Oracle Linux 7 kernel security and bug fix update

Errata Announcements for Oracle Linux el-errata at oss.oracle.com
Thu Jul 30 08:28:22 PDT 2020

Oracle Linux Security Advisory ELSA-2020-3220


The following updated rpms for Oracle Linux 7 have been uploaded to the 
Unbreakable Linux Network:



Description of changes:

- Oracle Linux certificates (Ilya Okomin)
- Oracle Linux RHCK Module Signing Key was compiled into kernel 
(olkmod_signing_key.x509)(alexey.petrenko at oracle.com)
- Update x509.genkey [Orabug: 24817676]
- Conflict with shim-ia32 and shim-x64 <= 15-2.0.3.el7

- [crypto] pefile: Tolerate other pefile signatures after first (Lenny 
Szubowicz) [1837429 1837430] {CVE-2020-10713}
- [kernel] Move to dual-signing to split signing keys up better (pjones) 
[1837429 1837430] {CVE-2020-10713}

- [fs] locks: allow filesystems to request that ->setlease be called 
without i_lock (Jeff Layton) [1838602 1830606]
- [fs] locks: move fasync setup into generic_add_lease (Jeff Layton) 
[1838602 1830606]

- [vfio] vfio/pci: Fix SR-IOV VF handling with MMIO blocking (Alex 
Williamson) [1852245 1820632]
- [fs] aio: fix inconsistent ring state (Jeff Moyer) [1850055 1845326]
- [wireless] mwifiex: Fix possible buffer overflows in 
mwifiex_ret_wmm_get_status() (Jarod Wilson) [1844069 1844070] 
- [wireless] mwifiex: Fix possible buffer overflows in 
mwifiex_cmd_append_vsie_tlv() (Jarod Wilson) [1844025 1844026] 
- [x86] mm: Fix mremap not considering huge pmd devmap (Rafael Aquini) 
[1843436 1843437] {CVE-2020-10757}
- [mm] mm, dax: check for pmd_none() after split_huge_pmd() (Rafael 
Aquini) [1843436 1843437] {CVE-2020-10757}
- [mm] mm: mremap: streamline move_page_tables()'s move_huge_pmd() 
corner case (Rafael Aquini) [1843436 1843437] {CVE-2020-10757}
- [mm] mm: mremap: validate input before taking lock (Rafael Aquini) 
[1843436 1843437] {CVE-2020-10757}

- [kernel] sched/fair: Scale bandwidth quota and period without losing 
quota/period ratio precision (Artem Savkov) [1850500 1752067]
- [block] virtio-blk: improve virtqueue error to BLK_STS (Philipp Rudo) 
[1842994 1818001]
- [block] virtio-blk: fix hw_queue stopped on arbitrary error (Philipp 
Rudo) [1842994 1818001]

- [fs] ext4: fix setting of referenced bit in ext4_es_lookup_extent() 
(Lukas Czerner) [1847343 1663720]
- [fs] ext4: introduce aging to extent status tree (Lukas Czerner) 
[1847343 1663720]
- [fs] ext4: cleanup flag definitions for extent status tree (Lukas 
Czerner) [1847343 1663720]
- [fs] ext4: limit number of scanned extents in status tree shrinker 
(Lukas Czerner) [1847343 1663720]
- [fs] ext4: move handling of list of shrinkable inodes into extent 
status code (Lukas Czerner) [1847343 1663720]
- [fs] ext4: change LRU to round-robin in extent status tree shrinker 
(Lukas Czerner) [1847343 1663720]
- [net] netfilter: nat: never update the UDP checksum when it's 0 
(Guillaume Nault) [1847333 1834278]
- [char] ipmi_si: Only schedule continuously in the thread in 
maintenance mode (Alexey Klimov) [1841825 1837127]
- [scsi] scsi: ibmvfc: Fix NULL return compiler warning (Steve Best) 
[1830889 1810643]
- [scsi] scsi: ibmvfc: Avoid loss of all paths during SVC node reboot 
(Steve Best) [1830889 1810643]
- [hid] HID: hiddev: do cleanup in failure of opening a device (Torez 
Smith) [1803448 1814257] {CVE-2019-19527}
- [hid] HID: hiddev: avoid opening a disconnected device (Torez Smith) 
[1803448 1814257] {CVE-2019-19527}

- [fs] NFS: Fix a race between mmap() and O_DIRECT (Benjamin Coddington) 
[1845520 1813803]
- [fs] NFS: Remove a redundant call to unmap_mapping_range() (Benjamin 
Coddington) [1845520 1813803]
- [fs] NFS: Remove redundant waits for O_DIRECT in fsync() and 
write_begin() (Benjamin Coddington) [1845520 1813803]
- [fs] NFS: Cleanup nfs_direct_complete() (Benjamin Coddington) [1845520 
- [fs] NFS: Do not serialise O_DIRECT reads and writes (Benjamin 
Coddington) [1845520 1813803]
- [fs] NFS: Move buffered I/O locking into nfs_file_write() (Benjamin 
Coddington) [1845520 1813803]
- [fs] bdi: make inode_to_bdi() inline (Benjamin Coddington) [1845520 
- [fs] NFS: Remove racy size manipulations in O_DIRECT (Benjamin 
Coddington) [1845520 1813803]
- [fs] NFS: Don't hold the inode lock across fsync() (Benjamin 
Coddington) [1845520 1813803]
- [fs] nfs: remove nfs_inode_dio_wait (Benjamin Coddington) [1845520 
- [fs] nfs: remove nfs4_file_fsync (Benjamin Coddington) [1845520 1813803]
- [fs] NFS: Kill NFS_INO_NFS_INO_FLUSHING: it is a performance killer 
(Benjamin Coddington) [1845520 1813803]
- [infiniband] RDMA/bnxt_re: Fix chip number validation Broadcom's Gen 
P5 series (Jonathan Toppins) [1834190 1823679]

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