openSUSE Security Update : the Linux Kernel (openSUSE-2021-579)

high Nessus Plugin ID 149605



The remote openSUSE host is missing a security update.


The openSUSE Linux Leap 15.2 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed :

- CVE-2021-3483: Fixed a use-after-free in nosy.c (bsc#1184393).

- CVE-2021-30002: Fixed a memory leak for large arguments in video_usercopy (bsc#1184120).

- CVE-2021-29154: Fixed incorrect computation of branch displacements, allowing arbitrary code execution (bsc#1184391).

- CVE-2021-28950: Fixed an issue in fs/fuse/fuse_i.h due to a retry loop continually was finding the same bad inode (bsc#1184194).

- CVE-2020-36312: Fixed a memory leak upon a kmalloc failure (bsc#1184509 ).

- CVE-2020-36311: Fixed a denial of service (soft lockup) by triggering destruction of a large SEV VM (bsc#1184511).

- CVE-2020-36310: Fixed infinite loop for certain nested page faults (bsc#1184512).

- CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2020-25673: Fixed multiple bugs in NFC subsytem (bsc#1178181).

- CVE-2020-36322: Fixed an issue was discovered in FUSE filesystem implementation which could have caused a system crash (bsc#1184211).

The following non-security bugs were fixed :

- ALSA: aloop: Fix initialization of controls (git-fixes).

- ALSA: hda/realtek: Fix speaker amp setup on Acer Aspire E1 (git-fixes).

- appletalk: Fix skb allocation size in loopback case (git-fixes).

- ASoC: cygnus: fix for_each_child.cocci warnings (git-fixes).

- ASoC: fsl_esai: Fix TDM slot setup for I2S mode (git-fixes).

- ASoC: intel: atom: Remove 44100 sample-rate from the media and deep-buffer DAI descriptions (git-fixes).

- ASoC: intel: atom: Stop advertising non working S24LE support (git-fixes).

- ASoC: max98373: Added 30ms turn on/off time delay (git-fixes).

- ASoC: sunxi: sun4i-codec: fill ASoC card owner (git-fixes).

- ASoC: wm8960: Fix wrong bclk and lrclk with pll enabled for some chips (git-fixes).

- ath10k: hold RCU lock when calling ieee80211_find_sta_by_ifaddr() (git-fixes).

- atl1c: fix error return code in atl1c_probe() (git-fixes).

- atl1e: fix error return code in atl1e_probe() (git-fixes).

- batman-adv: initialize 'struct batadv_tvlv_tt_vlan_data'->reserved field (git-fixes).

- bpf: Fix verifier jsgt branch analysis on max bound (bsc#1155518).

- bpf: Remove MTU check in __bpf_skb_max_len (bsc#1155518).

- bpf, sockmap: Fix sk->prot unhash op reset (bsc#1155518).

- brcmfmac: clear EAP/association status bits on linkdown events (git-fixes).

- bus: ti-sysc: Fix warning on unbind if reset is not deasserted (git-fixes).

- cifs: change noisy error message to FYI (bsc#1181507).

- cifs_debug: use %pd instead of messing with ->d_name (bsc#1181507).

- cifs: do not send close in compound create+close requests (bsc#1181507).

- cifs: New optype for session operations (bsc#1181507).

- cifs: print MIDs in decimal notation (bsc#1181507).

- cifs: return proper error code in statfs(2) (bsc#1181507).

- cifs: Tracepoints and logs for tracing credit changes (bsc#1181507).

- clk: fix invalid usage of list cursor in register (git-fixes).

- clk: fix invalid usage of list cursor in unregister (git-fixes).

- clk: socfpga: fix iomem pointer cast on 64-bit (git-fixes).

- dm mpath: switch paths in dm_blk_ioctl() code path (bsc#1167574, bsc#1175995, bsc#1184485).

- drivers: video: fbcon: fix NULL dereference in fbcon_cursor() (git-fixes).

- drm/amdgpu: check alignment on CPU page for bo map (git-fixes).

- drm/amdgpu: fix offset calculation in amdgpu_vm_bo_clear_mappings() (git-fixes).

- drm/i915: Fix invalid access to ACPI _DSM objects (bsc#1184074).

- drm/msm/adreno: a5xx_power: Do not apply A540 lm_setup to other GPUs (git-fixes).

- drm/msm: Ratelimit invalid-fence message (git-fixes).

- drm/msm: Set drvdata to NULL when msm_drm_init() fails (git-fixes).

- enetc: Fix reporting of h/w packet counters (git-fixes).

- fix Patch-mainline:

- fix patch metadata

- fuse: fix bad inode (bsc#1184211).

- fuse: fix live lock in fuse_iget() (bsc#1184211).

- gianfar: Handle error code at MAC address change (git-fixes).

- i40e: Fix parameters in aq_get_phy_register() (jsc#SLE-8025).

- i40e: Fix sparse error: 'vsi->netdev' could be null (jsc#SLE-8025).

- ice: remove DCBNL_DEVRESET bit from PF state (jsc#SLE-7926).

- iommu/vt-d: Use device numa domain if RHSA is missing (bsc#1184585).

- kABI: powerpc/pmem: Include pmem prototypes (bsc#1113295 git-fixes).

- libbpf: Fix INSTALL flag order (bsc#1155518).

- libbpf: Only create rx and tx XDP rings when necessary (bsc#1155518).

- locking/mutex: Fix non debug version of mutex_lock_io_nested() (git-fixes).

- mac80211: choose first enabled channel for monitor (git-fixes).

- mac80211: fix TXQ AC confusion (git-fixes).

- mISDN: fix crash in fritzpci (git-fixes).

- net: atheros: switch from 'pci_' to 'dma_' API (git-fixes).

- net: b44: fix error return code in b44_init_one() (git-fixes).

- net: ethernet: ti: cpsw: fix error return code in cpsw_probe() (git-fixes).

- net: hns3: Remove the left over redundant check & assignment (bsc#1154353).

- net: lantiq: Wait for the GPHY firmware to be ready (git-fixes).

- net/mlx5: Fix PPLM register mapping (jsc#SLE-8464).

- net: pasemi: fix error return code in pasemi_mac_open() (git-fixes).

- net: phy: broadcom: Only advertise EEE for supported modes (git-fixes).

- net: qualcomm: rmnet: Fix incorrect receive packet handling during cleanup (git-fixes).

- net: sched: disable TCQ_F_NOLOCK for pfifo_fast (bsc#1183405)

- net: wan/lmc: unregister device when no matching device is found (git-fixes).

- platform/x86: intel-hid: Support Lenovo ThinkPad X1 Tablet Gen 2 (git-fixes).

- platform/x86: thinkpad_acpi: Allow the FnLock LED to change state (git-fixes).

- PM: runtime: Fix ordering in pm_runtime_get_suppliers() (git-fixes).

- Return an error when module update fails (bsc#1047233 bsc#1184388).

- powerpc/64s: Fix instruction encoding for lis in ppc_function_entry() (bsc#1065729).

- powerpc/pmem: Include pmem prototypes (bsc#1113295 git-fixes).

- powerpc/pseries/ras: Remove unused variable 'status' (bsc#1065729).

- powerpc/sstep: Check instruction validity against ISA version before emulation (bsc#1156395).

- powerpc/sstep: Fix darn emulation (bsc#1156395).

- powerpc/sstep: Fix incorrect return from analyze_instr() (bsc#1156395).

- powerpc/sstep: Fix load-store and update emulation (bsc#1156395).

- qlcnic: fix error return code in qlcnic_83xx_restart_hw() (git-fixes).

- RAS/CEC: Correct ce_add_elem()'s returned values (bsc#1152489).

- regulator: bd9571mwv: Fix AVS and DVFS voltage range (git-fixes).

- rpm/check-for-config-changes: Also ignore AS_VERSION added in 5.12.

- rpm/ Fix dependency of kernel-*-devel package (bsc#1184514) The devel package requires the kernel binary package itself for building modules externally.

- samples/bpf: Fix possible hang in xdpsock with multiple threads (bsc#1155518).

- scsi: ibmvfc: Fix invalid state machine BUG_ON() (bsc#1184647 ltc#191231).

- smb3: add dynamic trace point to trace when credits obtained (bsc#1181507).

- smb3: fix crediting for compounding when only one request in flight (bsc#1181507).

- soc/fsl: qbman: fix conflicting alignment attributes (git-fixes).

- staging: comedi: cb_pcidas64: fix request_irq() warn (git-fixes).

- staging: comedi: cb_pcidas: fix request_irq() warn (git-fixes).

- thermal/core: Add NULL pointer check before using cooling device stats (git-fixes).

- USB: cdc-acm: downgrade message to debug (git-fixes).

- USB: cdc-acm: untangle a circular dependency between callback and softint (git-fixes).

- usbip: vhci_hcd fix shift out-of-bounds in vhci_hub_control() (git-fixes).

- USB: quirks: ignore remote wake-up on Fibocom L850-GL LTE modem (git-fixes).

- x86: Introduce TS_COMPAT_RESTART to fix get_nr_restart_syscall() (bsc#1152489).

- x86/ioapic: Ignore IRQ2 again (bsc#1152489).

- x86/mem_encrypt: Correct physical address calculation in
__set_clr_pte_enc() (bsc#1152489).

- xen/events: fix setting irq affinity (bsc#1184583).


Update the affected the Linux Kernel packages.

See Also

Plugin Details

Severity: High

ID: 149605

File Name: openSUSE-2021-579.nasl

Version: 1.3

Type: local

Agent: unix

Published: 5/18/2021

Updated: 1/1/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2021-29154


Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2021-3483

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:kernel-debug, p-cpe:/a:novell:opensuse:kernel-debug-debuginfo, p-cpe:/a:novell:opensuse:kernel-debug-debugsource, p-cpe:/a:novell:opensuse:kernel-debug-devel, p-cpe:/a:novell:opensuse:kernel-debug-devel-debuginfo, p-cpe:/a:novell:opensuse:kernel-default, p-cpe:/a:novell:opensuse:kernel-default-base, p-cpe:/a:novell:opensuse:kernel-default-base-rebuild, p-cpe:/a:novell:opensuse:kernel-default-debuginfo, p-cpe:/a:novell:opensuse:kernel-kvmsmall-devel, p-cpe:/a:novell:opensuse:kernel-kvmsmall-devel-debuginfo, p-cpe:/a:novell:opensuse:kernel-macros, p-cpe:/a:novell:opensuse:kernel-obs-build, p-cpe:/a:novell:opensuse:kernel-obs-build-debugsource, p-cpe:/a:novell:opensuse:kernel-obs-qa, p-cpe:/a:novell:opensuse:kernel-preempt, p-cpe:/a:novell:opensuse:kernel-preempt-debuginfo, p-cpe:/a:novell:opensuse:kernel-preempt-debugsource, p-cpe:/a:novell:opensuse:kernel-preempt-devel, p-cpe:/a:novell:opensuse:kernel-preempt-devel-debuginfo, p-cpe:/a:novell:opensuse:kernel-source, p-cpe:/a:novell:opensuse:kernel-source-vanilla, p-cpe:/a:novell:opensuse:kernel-syms, cpe:/o:novell:opensuse:15.2, p-cpe:/a:novell:opensuse:kernel-default-debugsource, p-cpe:/a:novell:opensuse:kernel-default-devel, p-cpe:/a:novell:opensuse:kernel-default-devel-debuginfo, p-cpe:/a:novell:opensuse:kernel-devel, p-cpe:/a:novell:opensuse:kernel-docs-html, p-cpe:/a:novell:opensuse:kernel-kvmsmall, p-cpe:/a:novell:opensuse:kernel-kvmsmall-debuginfo, p-cpe:/a:novell:opensuse:kernel-kvmsmall-debugsource

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/19/2021

Vulnerability Publication Date: 3/20/2021

Reference Information

CVE: CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2020-25673, CVE-2020-36310, CVE-2020-36311, CVE-2020-36312, CVE-2020-36322, CVE-2021-28950, CVE-2021-29154, CVE-2021-30002, CVE-2021-3483