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redhat/kernel-rtUse After Free

Risk 25
Severity
4.1
Use After Free
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

A flaw was found in Linux Kernel, where a race in KDGKBSENT and KDSKBSENT leads to use-after-free read in vtdokdgkbioctl

References: https://groups.google.com/g/syzkaller-bugs/c/kZsmxkpq3UI/m/J35PFexWBgAJ?pli=1

1 / 4
Source: Red Hat
First published (updated )
CVE-2020-25656

redhat/kernel-rtInput Validation

Risk 56
Severity
7.5
Input Validation
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

A flaw was found in the HDLCPPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the pppcpparsecr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

1 / 4

Remedy

To mitigate this issue, prevent modules hdlc_ppp, syncppp from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.
First published (updated )
CVE-2020-25643

redhat/kernel-rtUse After Free, Infoleak

Risk 33
Severity
5.5
Use After Free, Infoleak
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

A flaw was found in the Linux pinctrl system. It is possible to trigger an of bounds read due to a use after free. This could lead to local information disclosure with no additional execution privileges needed.

1 / 4

Remedy

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
First published (updated )
CVE-2020-0427

libSDL Simple DirectMedia LayerInteger Overflow

Risk 68
Severity
7.8
Integer Overflow
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SDL (Simple DirectMedia Layer) through 2.0.12 has an Integer Overflow (and resultant SDLmemcpy heap corruption) in SDLBlitCopy in video/SDLblitcopy.c via a crafted .BMP file.

First published (updated )
CVE-2020-14409

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