medium
6.2
CWE
131
Advisory Published
CVE Published
Updated

CVE-2022-2873

First published: Fri Jul 29 2022(Updated: )

A flaw out of bounds memory access found in the Intel iSMT SMBus host controller driver. If local user triggers I2C_SMBUS_BLOCK_DATA (with the ioctl I2C_SMBUS) with some malicious input data, it can lead to system crash. The problem located in ismt_access() function of the drivers/i2c/busses/i2c-ismt.c.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<0:4.18.0-425.13.1.rt7.223.el8_7
0:4.18.0-425.13.1.rt7.223.el8_7
redhat/kernel<0:4.18.0-425.13.1.el8_7
0:4.18.0-425.13.1.el8_7
redhat/kernel<0:4.18.0-372.75.1.el8_6
0:4.18.0-372.75.1.el8_6
redhat/kernel<0:5.14.0-162.18.1.el9_1
0:5.14.0-162.18.1.el9_1
redhat/kernel-rt<0:5.14.0-162.18.1.rt21.181.el9_1
0:5.14.0-162.18.1.rt21.181.el9_1
redhat/Linux kernel<5.19
5.19
debian/linux
5.10.223-1
5.10.234-1
6.1.123-1
6.1.128-1
6.12.12-1
6.12.16-1
Linux Kernel<5.19
Linux Kernel=5.19-rc1
Linux Kernel=5.19-rc2
Linux Kernel=5.19-rc3
Linux Kernel=5.19-rc4
Linux Kernel=5.19-rc5
Linux Kernel=5.19-rc6
Linux Kernel=5.19-rc7
Fedora=36
Red Hat Enterprise Linux=6.0
Red Hat Enterprise Linux=7.0
Red Hat Enterprise Linux=8.0
Red Hat Enterprise Linux=9.0
NetApp H300S Firmware
NetApp H300S Firmware
NetApp H500e Firmware
NetApp H500e Firmware
NetApp H700S
NetApp H700S
NetApp H410S
NetApp H410S Firmware
NetApp H410C
NetApp H410C Firmware
Debian=11.0
All of
NetApp H300S Firmware
NetApp H300S Firmware
All of
NetApp H500e Firmware
NetApp H500e Firmware
All of
NetApp H700S
NetApp H700S
All of
NetApp H410S
NetApp H410S Firmware
All of
NetApp H410C
NetApp H410C Firmware

Remedy

To mitigate this issue, prevent module i2c-ismt 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/20220729093451.551672-1-zheyuma97@gmail.com/T/

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2022-2873?

    CVE-2022-2873 is classified with a high severity due to its potential to cause a system crash.

  • How do I fix CVE-2022-2873?

    To fix CVE-2022-2873, update to the appropriate kernel versions specified in the remediation section.

  • What are the affected software for CVE-2022-2873?

    CVE-2022-2873 affects several versions of the Linux kernel across different distributions such as Red Hat and Debian.

  • Can CVE-2022-2873 be exploited remotely?

    CVE-2022-2873 requires local access for exploitation, making remote exploitation unlikely.

  • Is there a workaround for CVE-2022-2873?

    No specific workaround is documented for CVE-2022-2873, so updating to a patched version is recommended.

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