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ALSA-2021:2714 — Important: kernel security and bug fix update

2026-10-03T17:09:57.253071+00:00

Affected: AlmaLinux:8: kernel-tools-libs-devel

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)

* kernel: race condition for removal of the HCI controller (CVE-2021-32399)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

* pinctrl_emmitsburg: improper configuration (BZ#1963984)

* [Ampere] locking/qrwlock: Fix ordering in queued_write_lock_slowpath (BZ#1964419)

* AlmaLinux8.4 - [P10] [NPIV Multi queue Test kernel- 4.18.0-283.el8.ibmvfc_11022021.ppc64le] DLPAR operation fails for ibmvfc on Denali (ibmvfc/dlpar/AlmaLinux8.4) (BZ#1964697)

* Every server is displaying the same power levels for all of our i40e 25G interfaces. 10G interfaces seem to be correct. Ethtool version is 5.0 (BZ#1967099)

* backport fixes for Connection Tracking offload (BZ#1968679)

* fm10k: removal of MODULE_VERSION deemed improper for y-stream release (BZ#1969910)

* ixgbevf: removal of MODULE_VERSION deemed improper for y-stream release (BZ#1969911)

* ena: removal of MODULE_VERSION deemed improper for y-stream release (BZ#1969913)

* b44, bnx2, bnx2x, bnxt, tg3: removal of MODULE_VERSION deemed improper for y-stream release (BZ#1969914)

* e1000, e1000e: removal of MODULE_VERSION deemed improper for y-stream release (BZ#1969915)

* ice: removal…

bdu:2021-04838

2026-10-03T17:09:57.253196+00:00

bdu:2021-04838

certfr-2021-avi-452 — De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Certaines d'entre elles permettent à un at…

2026-10-03T17:09:57.253216+00:00

certfr-2021-avi-452

cnvd-2021-34716

2026-10-03T17:09:57.253233+00:00

cnvd-2021-34716

EUVD-2026-27902

2026-10-03T17:09:57.253245+00:00

EUVD-2026-27902

fkie_cve-2021-32399

2026-10-03T17:09:57.253256+00:00

net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller.

GHSA-xw4j-8m9c-4vwq

2026-10-03T17:09:57.253277+00:00

net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller.

gsd-2021-32399

2026-10-03T17:09:57.253291+00:00

gsd-2021-32399

msrc_CVE-2021-32399 — net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller.

2026-10-03T17:09:57.253301+00:00

msrc_CVE-2021-32399

OESA-2021-1176 — kernel security update

2026-10-03T17:09:57.253316+00:00

Affected: openEuler:20.03-LTS-SP1: kernel

The Linux Kernel, the operating system core itself. Security Fix(es):

An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c performs undesirable out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-f232326f6966. This affects pointer types that do not define a ptr_limit.(CVE-2020-27170)

An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c has an off-by-one error (with a resultant integer underflow) affecting out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-10d2bb2e6b1d.(CVE-2020-27171)

rtw_wx_set_scan in drivers/staging/rtl8188eu/os_dep/ioctl_linux.c in the Linux kernel through 5.11.6 allows writing beyond the end of the ->ssid[] array. NOTE: from the perspective of kernel.org releases, CVE IDs are not normally used for drivers/staging/* (unfinished work); however, system integrators may have situations in which a drivers/staging issue is relevant to their own customer base.(CVE-2021-28660)

A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (BUG) because of a lack of locking on an extent buffer before a cloning operation, aka CID-dbcc7d57bffc.(CVE-2021-28964)

In dri…

openSUSE-SU-2021:0843-1 — Security update for the Linux Kernel

2026-10-03T17:09:57.253385+00:00

Security update for the Linux Kernel

RHSA-2021:2715 — Red Hat Security Advisory: kernel-rt security and bug fix update

2026-10-03T17:09:57.253410+00:00

kernel: race condition for removal of the HCI controller kernel: size_t-to-int conversion vulnerability in the filesystem layer

SUSE-SU-2021:14764-1 — Security update for the Linux Kernel

2026-10-03T17:09:57.253429+00:00

Security update for the Linux Kernel

UBUNTU-CVE-2021-32399

2026-10-03T17:09:57.253450+00:00

Affected: Ubuntu:Pro:14.04:LTS: linux-aws, Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:14.04:LTS: linux-lts-xenial, Ubuntu:Pro:14.04:LTS: linux, Ubuntu:Pro:16.04:LTS: linux, Ubuntu:Pro:16.04:LTS: linux-aws, Ubuntu:Pro:16.04:LTS: linux-aws-hwe, Ubuntu:Pro:16.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-gcp, Ubuntu:Pro:16.04:LTS: linux-hwe and 75 more

net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller.

WID-SEC-W-2022-1469 — Linux Kernel: Schwachstelle ermöglicht Privilegieneskalation

2026-10-03T17:09:57.253578+00:00

Ein lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um seine Privilegien zu erhöhen oder beliebigen Programmcode auszuführen.