Summary
Eric Biederman discovered that the cgroup process migration implementation
in the Linux kernel did not perform permission checks correctly in some
situations. A local attacker could possibly use this to gain administrative
privileges. (CVE-2021-4197)
Lin Ma discovered that the NFC Controller Interface (NCI) implementation in
the Linux kernel contained a race condition, leading to a use-after-free
vulnerability. A local attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2021-4202)
It was discovered that the PF_KEYv2 implementation in the Linux kernel did
not properly initialize kernel memory in some situations. A local attacker
could use this to expose sensitive information (kernel memory).
(CVE-2022-1353)
It was discovered that the virtual graphics memory manager implementation
in the Linux kernel was subject to a race condition, potentially leading to
an information leak. (CVE-2022-1419)
Minh Yuan discovered that the floppy disk driver in the Linux kernel
contained a race condition, leading to a use-after-free vulnerability. A
local attacker could possibly use this to cause a denial of service (system
crash) or execute arbitrary code. (CVE-2022-1652)
It was discovered that the Atheros ath9k wireless device driver in the
Linux kernel did not properly handle some error conditions, leading to a
use-after-free vulnerability. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2022-1679)
It was discovered that the Marvell NFC device driver implementation in the
Linux kernel did not properly perform memory cleanup operations in some
situations, leading to a use-after-free vulnerability. A local attacker
could possibly use this to cause a denial of service (system crash) or
execute arbitrary code. (CVE-2022-1734)
赵子轩 discovered that the 802.2 LLC type 2 driver in the Linux kernel did not
properly perform reference counting in some error conditions. A local
attacker could use this to cause a denial of service. (CVE-2022-28356)
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | linux | 4.4.0-229.263 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | linux-aws | 4.4.0-1145.160 |
Vulnerabilities 8
-
Medium 5.5
In the Linux kernel before 5.17.1, a refcount leak bug was found in net/llc/af_llc.c.
-
Unscored —
An unprivileged write to the file handler flaw in the Linux kernel's control groups and namespaces subsystem was found …
-
Unscored —
A use-after-free flaw was found in nci_request in net/nfc/nci/core.c in NFC Controller Interface (NCI) in the Linux ker…
-
Unscored —
A vulnerability was found in the pfkey_register function in net/key/af_key.c in the Linux kernel. This flaw allows a lo…
-
Unscored —
The root cause of this vulnerability is that the ioctl$DRM_IOCTL_MODE_DESTROY_DUMB can decrease refcount of *drm_vgem_g…
-
Unscored —
Linux Kernel could allow a local attacker to execute arbitrary code on the system, caused by a concurrency use-after-fr…
-
Unscored —CVE-2022-1679 Public exploit
A use-after-free flaw was found in the Linux kernel’s Atheros wireless adapter driver in the way a user forces the ath9…
-
Unscored —
A flaw in Linux Kernel found in nfcmrvl_nci_unregister_dev() in drivers/nfc/nfcmrvl/main.c can lead to use after free b…
References
-
report
https://ubuntu.com/security/CVE-2021-4197
-
report
https://ubuntu.com/security/CVE-2021-4202
-
report
https://ubuntu.com/security/CVE-2022-1353
-
report
https://ubuntu.com/security/CVE-2022-1419
-
report
https://ubuntu.com/security/CVE-2022-1652
-
report
https://ubuntu.com/security/CVE-2022-1679
-
report
https://ubuntu.com/security/CVE-2022-1734
-
report
https://ubuntu.com/security/CVE-2022-28356