high
7.8
CWE
416
Advisory Published
CVE Published
Updated

CVE-2022-1679: Use After Free

First published: Mon Feb 07 2022(Updated: )

A use-after-free flaw was found in the Linux kernel’s Atheros wireless adapter driver in the way a user forces the ath9k_htc_wait_for_target function to fail with some input messages. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<0:4.18.0-477.10.1.rt7.274.el8_8
0:4.18.0-477.10.1.rt7.274.el8_8
redhat/kernel<0:4.18.0-477.10.1.el8_8
0:4.18.0-477.10.1.el8_8
redhat/kernel<0:5.14.0-162.6.1.el9_1
0:5.14.0-162.6.1.el9_1
redhat/kernel-rt<0:5.14.0-162.6.1.rt21.168.el9_1
0:5.14.0-162.6.1.rt21.168.el9_1
redhat/Linux kernel<5.18
5.18
Linux Kernel>=2.6.35<4.14.291
Linux Kernel>=4.15<4.19.256
Linux Kernel>=4.20<5.4.211
Linux Kernel>=5.5<5.10.137
Linux Kernel>=5.11<5.15.61
Linux Kernel>=5.16<5.18.18
Linux Kernel>=5.19<5.19.2
Debian GNU/Linux=10.0
All of
netapp h410c firmware
netapp h410c
All of
netapp h300s firmware
netapp h300s
All of
NetApp H500S Firmware
netapp h500s
All of
netapp h700s firmware
netapp h700s
All of
netapp h300e firmware
netapp h300e
All of
netapp h500e firmware
netapp h500e
All of
netapp h700e firmware
netapp h700e
All of
netapp h410s firmware
netapp h410s
Linux Kernel=5.18-rc7
netapp h410c firmware
netapp h410c
netapp h300s firmware
netapp h300s
NetApp H500S Firmware
netapp h500s
netapp h700s firmware
netapp h700s
netapp h300e firmware
netapp h300e
netapp h500e firmware
netapp h500e
netapp h700e firmware
netapp h700e
netapp h410s firmware
netapp h410s
debian/linux
5.10.223-1
5.10.226-1
6.1.123-1
6.1.128-1
6.12.12-1
6.12.15-1

Remedy

To mitigate this issue, prevent the module ath9k from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from loading automatically.

Remedy

https://lore.kernel.org/lkml/87ilqc7jv9.fsf%40kernel.org/t/

Remedy

https://lore.kernel.org/lkml/87ilqc7jv9.fsf@kernel.org/t/

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2022-1679?

    CVE-2022-1679 has a medium severity rating allowing local users to crash the system or potentially escalate privileges.

  • How do I fix CVE-2022-1679?

    To fix CVE-2022-1679, update your Linux kernel to the recommended versions, such as 0:4.18.0-477.10.1.rt7.274.el8_8 or newer for Red Hat.

  • Who is affected by CVE-2022-1679?

    CVE-2022-1679 affects systems running the Linux kernel versions that are vulnerable, particularly those with Atheros wireless adapter drivers.

  • Can CVE-2022-1679 be exploited remotely?

    CVE-2022-1679 cannot be exploited remotely as it requires local user access to trigger the vulnerability.

  • What impact does CVE-2022-1679 have on system security?

    CVE-2022-1679 can lead to system crashes and privilege escalation, potentially compromising system integrity and confidentiality.

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