SUSE-SU-2021:0737-1: kernel-default&distro=SUSE Enterprise Storage 6 SUSE Linux Enterprise

Vulnerability summary

SUSE-SU-2021:0737-1 is a vulnerability in kernel-default&distro=SUSE Enterprise Storage 6 SUSE Linux Enterprise with no CVSS score yet.

Timeline

1. 09-03-2021
   PublishedVulnerability first disclosed.
2. 04-02-2026
   Last modifiedVulnerability information updated.

Description

Security update for the Linux Kernel The SUSE Linux Enterprise 15 SP1 kernel was updated receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping (XSA-365 bsc#1181843). - CVE-2021-26931: Fixed an issue where Linux kernel was treating grant mapping errors as bugs (XSA-362 bsc#1181753). - CVE-2021-26932: Fixed improper error handling issues in Linux grant mapping (XSA-361 bsc#1181747). by remote attackers to read or write files via directory traversal in an XCOPY request (bsc#178372). - CVE-2020-29368,CVE-2020-29374: Fixed an issue in copy-on-write implementation which could have granted unintended write access because of a race condition in a THP mapcount check (bsc#1179660, bsc#1179428). The following non-security bugs were fixed: - btrfs: Cleanup try_flush_qgroup (bsc#1182047). - btrfs: Do not flush from btrfs_delayed_inode_reserve_metadata (bsc#1182047). - btrfs: fix data bytes_may_use underflow with fallocate due to failed quota reserve (bsc#1182130) - btrfs: Free correct amount of space in btrfs_delayed_inode_reserve_metadata (bsc#1182047). - btrfs: Remove btrfs_inode from btrfs_delayed_inode_reserve_metadata (bsc#1182047). - btrfs: Simplify code flow in btrfs_delayed_inode_reserve_metadata (bsc#1182047). - btrfs: Unlock extents in btrfs_zero_range in case of errors (bsc#1182047). - Drivers: hv: vmbus: Avoid use-after-free in vmbus_onoffer_rescind() (git-fixes). - ibmvnic: fix a race between open and reset (bsc#1176855 ltc#187293). - kernel-binary.spec: Add back initrd and image symlink ghosts to filelist (bsc#1182140). Fixes: 76a9256314c3 ('rpm/kernel-{source,binary}.spec: do not include ghost symlinks (boo#1179082).') - libnvdimm/dimm: Avoid race between probe and available_slots_show() (bsc#1170442). - net: bcmgenet: add support for ethtool rxnfc flows (git-fixes). - net: bcmgenet: code movement (git-fixes). - net: bcmgenet: fix mask check in bcmgenet_validate_flow() (git-fixes). - net: bcmgenet: Fix WoL with password after deep sleep (git-fixes). - net: bcmgenet: re-remove bcmgenet_hfb_add_filter (git-fixes). - net: bcmgenet: set Rx mode before starting netif (git-fixes). - net: bcmgenet: use __be16 for htons(ETH_P_IP) (git-fixes). - net: bcmgenet: Use correct I/O accessors (git-fixes). - net: lpc-enet: fix error return code in lpc_mii_init() (git-fixes). - net/mlx4_en: Handle TX error CQE (bsc#1181854). - net: moxa: Fix a potential double 'free_irq()' (git-fixes). - net: sun: fix missing release regions in cas_init_one() (git-fixes). - nvme-multipath: Early exit if no path is available (bsc#1180964). - rpm/post.sh: Avoid purge-kernel for the first installed kernel (bsc#1180058) - scsi: target: fix unmap_zeroes_data boolean initialisation (bsc#1163617). - usb: dwc2: Abort transaction after errors with unknown reason (bsc#1180262). - usb: dwc2: Do not update data length if it is 0 on inbound transfers (bsc#1180262). - usb: dwc2: Make 'trimming xfer length' a debug message (bsc#1180262). - vmxnet3: Remove buf_info from device accessible structures (bsc#1181671). - xen/netback: avoid race in xenvif_rx_ring_slots_available() (bsc#1065600). - xen/netback: fix spurious event detection for common event case (bsc#1182175).

No weakness data has been published for this record.