SUSE-SU-2021:0741-1

SUSE-SU-2021:0741-1 · Security update for the Linux Kernel

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The SUSE Linux Enterprise 15 SP2 kernel was updated to 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-2020-12362: Fixed an integer overflow in the firmware which may have allowed a privileged user to potentially enable an escalation of privilege via local access (bsc#1181720). - CVE-2020-12363: Fixed an improper input validation which may have allowed a privileged user to potentially enable a denial of service via local access (bsc#1181735). - CVE-2020-12364: Fixed a null pointer reference which may have allowed a privileged user to potentially enable a denial of service via local access (bsc#1181736 ). - CVE-2020-12373: Fixed an expired pointer dereference which may have allowed a privileged user to potentially enable a denial of service via local access (bsc#1181738). - 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: - ACPI: configfs: add missing check after configfs_register_default_group() (git-fixes). - ACPI: property: Fix fwnode string properties matching (git-fixes). - ACPI: property: Satisfy kernel doc validator (part 1) (git-fixes). - ACPI: property: Satisfy kernel doc validator (part 2) (git-fixes). - ALSA: hda: Add another CometLake-H PCI ID (git-fixes). - ALSA: hda/hdmi: Drop bogus check at closing a stream (git-fixes). - ALSA: hda/realtek: modify EAPD in the ALC886 (git-fixes). - ALSA: pcm: Assure sync with the pending stop operation at suspend (git-fixes). - ALSA: pcm: Call sync_stop at disconnection (git-fixes). - ALSA: pcm: Do not call sync_stop if it hasn't been stopped (git-fixes). - ALSA: usb-audio: Add implicit fb quirk for BOSS GP-10 (git-fixes). - ALSA: usb-audio: Correct document for snd_usb_endpoint_free_all() (git-fixes). - ALSA: usb-audio: Do not avoid stopping the stream at disconnection (git-fixes). - ALSA: usb-audio: Fix PCM buffer allocation in non-vmalloc mode (git-fixes). - ALSA: usb-audio: Handle invalid running state at releasing EP (git-fixes). - ALSA: usb-audio: More strict state change in EP (git-fixes). - amba: Fix resource leak for drivers without .remove (git-fixes). - arm64: Update config file. Set CONFIG_WATCHDOG_SYSFS to true (bsc#1182560) - ASoC: cpcap: fix microphone timeslot mask (git-fixes). - ASoC: cs42l56: fix up error handling in probe (git-fixes). - ASoC: simple-card-utils: Fix device module clock (git-fixes). - ASoC: SOF: debug: Fix a potential issue on string buffer termination (git-fixes). - ata: ahci_brcm: Add back regulators management (git-fixes). - ata: sata_nv: Fix retrieving of active qcs (git-fixes). - ath10k: Fix error handling in case of CE pipe init failure (git-fixes). - ath9k: fix data bus crash when setting nf_override via debugfs (git-fixes). - bcache: fix overflow in offset_to_stripe() (git-fixes). - blk-mq: call commit_rqs while list empty but error happen (bsc#1182442). - blk-mq: insert request not through ->queue_rq into sw/scheduler queue (bsc#1182443). - blk-mq: move cancel of hctx->run_work to the front of blk_exit_queue (bsc#1182444). - block: fix inflight statistics of part0 (bsc#1182445). - block: respect queue limit of max discard segment (bsc#1182441). - block: virtio_blk: fix handling single range discard request (bsc#1182439). - Bluetooth: btqcomsmd: Fix a resource leak in error handling paths in the probe function (git-fixes). - Bluetooth: btusb: Fix memory leak in btusb_mtk_wmt_recv (git-fixes). - Bluetooth: drop HCI device reference before return (git-fixes). - Bluetooth: Fix initializing response id after clearing struct (git-fixes). - Bluetooth: hci_uart: Fix a race for write_work scheduling (git-fixes). - Bluetooth: Put HCI device if inquiry procedure interrupts (git-fixes). - bnxt_en: Fix accumulation of bp->net_stats_prev (git-fixes). - bnxt_en: fix error return code in bnxt_init_board() (git-fixes). - bnxt_en: fix error return code in bnxt_init_one() (git-fixes). - bnxt_en: Improve stats context resource accounting with RDMA driver loaded (git-fixes). - bnxt_en: read EEPROM A2h address using page 0 (git-fixes). - bnxt_en: Release PCI regions when DMA mask setup fails during probe (git-fixes). - bonding: Fix reference count leak in bond_sysfs_slave_add (git-fixes). - bonding: set dev->needed_headroom in bond_setup_by_slave() (git-fixes). - bonding: wait for sysfs kobject destruction before freeing struct slave (git-fixes). - bpf, cgroup: Fix optlen WARN_ON_ONCE toctou (bsc#1155518). - bpf, cgroup: Fix problematic bounds check (bsc#1155518). - btrfs: add assertion for empty list of transactions at late stage of umount (bsc#1182626). - btrfs: Cleanup try_flush_qgroup (bsc#1182047). - btrfs: Do not flush from btrfs_delayed_inode_reserve_metadata (bsc#1182047). - btrfs: Fix race between extent freeing/allocation when using bitmaps (bsc#1181574). - btrfs: fix race between RO remount and the cleaner task (bsc#1182626). - btrfs: fix transaction leak and crash after cleaning up orphans on RO mount (bsc#1182626). - btrfs: fix transaction leak and crash after RO remount caused by qgroup rescan (bsc#1182626). - btrfs: Free correct amount of space in btrfs_delayed_inode_reserve_metadata (bsc#1182047). - btrfs: lift read-write mount setup from mount and remount (bsc#1182626). - btrfs: Remove btrfs_inode from btrfs_delayed_inode_reserve_metadata (bsc#1182047). - btrfs: run delayed iputs when remounting RO to avoid leaking them (bsc#1182626). - 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). - caif: no need to check return value of debugfs_create functions (git-fixes). - ceph: fix flush_snap logic after putting caps (bsc#1182854). - cgroup: Fix memory leak when parsing multiple source parameters (bsc#1182683). - cgroup: fix psi monitor for root cgroup (bsc#1182686). - cgroup-v1: add disabled controller check in cgroup1_parse_param() (bsc#1182684). - chelsio/chtls: correct function return and return type (git-fixes). - chelsio/chtls: correct netdevice for vlan interface (git-fixes). - chelsio/chtls: fix a double free in chtls_setkey() (git-fixes). - chelsio/chtls: fix always leaking ctrl_skb (git-fixes). - chelsio/chtls: fix deadlock issue (git-fixes). - chelsio/chtls: fix memory leaks caused by a race (git-fixes). - chelsio/chtls: fix memory leaks in CPL handlers (git-fixes). - chelsio/chtls: fix panic during unload reload chtls (git-fixes). - chelsio/chtls: fix socket lock (git-fixes). - chelsio/chtls: fix tls record info to user (git-fixes). - Cherry-pick ibmvnic patches from SP3 (jsc#SLE-17268). - chtls: Added a check to avoid NULL pointer dereference (git-fixes). - chtls: Fix chtls resources release sequence (git-fixes). - chtls: Fix hardware tid leak (git-fixes). - chtls: Fix panic when route to peer not configured (git-fixes). - chtls: Remove invalid set_tcb call (git-fixes). - chtls: Replace skb_dequeue with skb_peek (git-fixes). - cifs: check all path components in resolved dfs target (bsc#1181710). - cifs: fix nodfs mount option (bsc#1181710). - cifs: introduce helper for finding referral server (bsc#1181710). - cifs: report error instead of invalid when revalidating a dentry fails (bsc#1177440). - cirrus: cs89x0: remove set but not used variable 'lp' (git-fixes). - cirrus: cs89x0: use devm_platform_ioremap_resource() to simplify code (git-fixes). - clk: meson: clk-pll: fix initializing t

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2021-03-09T15:12:24Z

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2026-02-04T02:13:20.044776Z

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