Summary
It was discovered that a race condition existed in the Android Binder IPC
subsystem in the Linux kernel, 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-2022-20421)
David Leadbeater discovered that the netfilter IRC protocol tracking
implementation in the Linux Kernel incorrectly handled certain message
payloads in some situations. A remote attacker could possibly use this to
cause a denial of service or bypass firewall filtering. (CVE-2022-2663)
It was discovered that the Intel 740 frame buffer driver in the Linux
kernel contained a divide by zero vulnerability. A local attacker could use
this to cause a denial of service (system crash). (CVE-2022-3061)
It was discovered that the sound subsystem in the Linux kernel contained a
race condition in some situations. A local attacker could use this to cause
a denial of service (system crash). (CVE-2022-3303)
Gwnaun Jung discovered that the SFB packet scheduling implementation in the
Linux kernel contained 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-2022-3586)
It was discovered that the NILFS2 file system implementation in the Linux
kernel did not properly deallocate memory in certain error conditions. An
attacker could use this to cause a denial of service (memory exhaustion).
(CVE-2022-3646)
Hyunwoo Kim discovered that an integer overflow vulnerability existed in
the PXA3xx graphics driver in the Linux kernel. A local attacker could
possibly use this to cause a denial of service (system crash).
(CVE-2022-39842)
It was discovered that a race condition existed in the EFI capsule loader
driver in the Linux kernel, 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-2022-40307)
Zheng Wang and Zhuorao Yang discovered that the RealTek RTL8712U wireless
driver in the Linux kernel contained 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-2022-4095)
It was discovered that the USB monitoring (usbmon) component in the Linux
kernel did not properly set permissions on memory mapped in to user space
processes. A local attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2022-43750)
Jann Horn discovered a race condition existed in the Linux kernel when
unmapping VMAs in certain situations, resulting in possible use-after-free
vulnerabilities. A local attacker could possibly use this to cause a denial
of service (system crash) or execute arbitrary code. (CVE-2022-39188)
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 20.04 LTS 20.04:LTS | linux-azure | 5.4.0-1100.106 |
Vulnerabilities 11
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High 7.8
A use-after-free flaw was found in Linux kernel before 5.19.2. This issue occurs in cmd_hdl_filter in drivers/staging/r…
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Medium 6.7
drivers/usb/mon/mon_bin.c in usbmon in the Linux kernel before 5.19.15 and 6.x before 6.0.1 allows a user-space client …
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Medium 5.5
A flaw was found in the Linux kernel’s networking code. A use-after-free was found in the way the sch_sfb enqueue funct…
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Medium 4.7
A race condition flaw was found in the Linux kernel sound subsystem due to improper locking. It could lead to a NULL po…
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Low 3.1
Linux Kernel BPF segment.c nilfs_attach_log_writer memory leak
A vulnerability, which was classified as problematic, has been found in Linux Kernel. This issue affects the function nilfs_attach_log_writer of the file fs/nilfs2/segment.c of the component BPF. The manipulation leads to memory leak. The attack may be initia…
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Unscored —CVE-2022-20421 Public exploit
In binder_inc_ref_for_node of binder.c, there is a possible way to corrupt memory due to a use after free. This could l…
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Unscored —
An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly m…
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Unscored —
Found Linux Kernel flaw in the i740 driver. The Userspace program could pass any values to the driver through ioctl() i…
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Unscored —
An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unma…
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Unscored —
An issue was discovered in the Linux kernel before 5.19. In pxa3xx_gcu_write in drivers/video/fbdev/pxa3xx-gcu.c, the c…
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Unscored —
An issue was discovered in the Linux kernel through 5.19.8. drivers/firmware/efi/capsule-loader.c has a race condition …
References
-
report
https://ubuntu.com/security/CVE-2022-2663
-
report
https://ubuntu.com/security/CVE-2022-3061
-
report
https://ubuntu.com/security/CVE-2022-3303
-
report
https://ubuntu.com/security/CVE-2022-3586
-
report
https://ubuntu.com/security/CVE-2022-3646
-
report
https://ubuntu.com/security/CVE-2022-4095
-
report
https://ubuntu.com/security/CVE-2022-20421
-
report
https://ubuntu.com/security/CVE-2022-39188
-
report
https://ubuntu.com/security/CVE-2022-39842
-
report
https://ubuntu.com/security/CVE-2022-40307
-
report
https://ubuntu.com/security/CVE-2022-43750