SUSE-SU-2022:2721-1

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Source
https://www.suse.com/support/update/announcement/2022/suse-su-20222721-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2022:2721-1.json
JSON Data
https://api.osv.dev/v1/vulns/SUSE-SU-2022:2721-1
Related
Published
2022-08-09T11:14:00Z
Modified
2022-08-09T11:14:00Z
Summary
Security update for the Linux Kernel
Details

The SUSE Linux Enterprise 12 kernel was updated to receive various security bugfixes.

The following security bugs were fixed:

  • CVE-2022-36946: Fixed an incorrect packet trucation operation which could lead to denial of service (bnc#1201940).
  • CVE-2022-20166: Fixed several possible memory safety issues due to unsafe operations (bsc#1200598).
  • CVE-2020-15393: Fixed a memory leak in the usbtest driver which could lead to denial of service (bnc#1173514).
  • CVE-2020-36558: Fixed a race condition involving VT_RESIZEX which could lead to a NULL pointer dereference and general protection fault (bnc#1200910).
  • CVE-2020-36557: Fixed a race condition between the VT_DISALLOCATE ioctl and closing/opening of TTYs could lead to a use-after-free (bnc#1201429).
  • CVE-2021-33656: Fixed memory out of bounds write related to ioctl cmd PIO_FONT (bnc#1201636).
  • CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO (bnc#1201635).
  • CVE-2022-1462: Fixed an out-of-bounds read flaw in the TTY subsystem (bnc#1198829).
  • CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742: Fixed multiple potential data leaks with Block and Network devices when using untrusted backends (bsc#1200762).
  • CVE-2022-2318: Fixed a use-after-free vulnerability in the timer handler in Rose subsystem that allowed unprivileged attackers to crash the system (bsc#1201251).
  • CVE-2021-39713: Fixed a race condition in the network scheduling subsystem which could lead to a use-after-free (bnc#1196973).

The following non-security bugs were fixed:

  • kvm: emulate: Do not adjust size of fastop and setcc subroutines (bsc#1201930).
  • kvm: emulate: Fix SETcc emulation function offsets with SLS (bsc#1201930).
References

Affected packages

SUSE:Linux Enterprise Server 12 SP2-BCL / kernel-default

Package

Name
kernel-default
Purl
pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.4.121-92.181.1

Ecosystem specific 

{
    "binaries": [
        {
            "kernel-macros": "4.4.121-92.181.1",
            "kernel-devel": "4.4.121-92.181.1",
            "kernel-default-base": "4.4.121-92.181.1",
            "kernel-default": "4.4.121-92.181.1",
            "kernel-source": "4.4.121-92.181.1",
            "kernel-syms": "4.4.121-92.181.1",
            "kernel-default-devel": "4.4.121-92.181.1"
        }
    ]
}

SUSE:Linux Enterprise Server 12 SP2-BCL / kernel-source

Package

Name
kernel-source
Purl
pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.4.121-92.181.1

Ecosystem specific 

{
    "binaries": [
        {
            "kernel-macros": "4.4.121-92.181.1",
            "kernel-devel": "4.4.121-92.181.1",
            "kernel-default-base": "4.4.121-92.181.1",
            "kernel-default": "4.4.121-92.181.1",
            "kernel-source": "4.4.121-92.181.1",
            "kernel-syms": "4.4.121-92.181.1",
            "kernel-default-devel": "4.4.121-92.181.1"
        }
    ]
}

SUSE:Linux Enterprise Server 12 SP2-BCL / kernel-syms

Package

Name
kernel-syms
Purl
pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.4.121-92.181.1

Ecosystem specific 

{
    "binaries": [
        {
            "kernel-macros": "4.4.121-92.181.1",
            "kernel-devel": "4.4.121-92.181.1",
            "kernel-default-base": "4.4.121-92.181.1",
            "kernel-default": "4.4.121-92.181.1",
            "kernel-source": "4.4.121-92.181.1",
            "kernel-syms": "4.4.121-92.181.1",
            "kernel-default-devel": "4.4.121-92.181.1"
        }
    ]
}