high
7.8
CWE
787
Advisory Published
Updated

CVE-2023-35788

First published: Fri Jun 16 2023(Updated: )

An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets. This may result in denial of service or privilege escalation.

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
IBM QRadar SIEM<=7.5 - 7.5.0 UP7
redhat/kernel<6.4
6.4
Linux Kernel<6.3.7
Debian GNU/Linux=12.0
netapp h300s firmware
netapp h300s
NetApp H500S Firmware
netapp h500s
netapp h700s firmware
netapp h700s
netapp h410s firmware
netapp h410s
netapp h410c firmware
netapp h410c
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
Linux Kernel>=4.19<4.19.285
Linux Kernel>=4.20<5.4.246
Linux Kernel>=5.5<5.10.183
Linux Kernel>=5.11<5.15.116
Linux Kernel>=5.16<6.1.33
Linux Kernel>=6.2<6.3.7
Debian=12.0
All of
netapp h300s
netapp h300s firmware
All of
netapp h500s
NetApp H500S Firmware
All of
netapp h700s
netapp h700s firmware
All of
netapp h410s
netapp h410s firmware
All of
netapp h410c
netapp h410c firmware
Ubuntu=14.04
Ubuntu=16.04
Ubuntu=18.04
Ubuntu=20.04
Ubuntu=22.04
Debian=10.0
Debian=11.0

Remedy

https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.7

Remedy

https://git.kernel.org/linus/4d56304e5827c8cc8cc18c75343d283af7c4825c

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2023-35788?

    CVE-2023-35788 has a severity level that can lead to denial of service or privilege escalation.

  • How do I fix CVE-2023-35788?

    To fix CVE-2023-35788, you should upgrade the Linux kernel to version 6.3.7 or later.

  • Which versions of the Linux kernel are affected by CVE-2023-35788?

    CVE-2023-35788 affects the Linux kernel versions prior to 6.3.7, including various versions between 4.19 and 6.3.

  • Is CVE-2023-35788 relevant to IBM QRadar SIEM?

    Yes, CVE-2023-35788 affects IBM QRadar SIEM versions up to 7.5.0 UP7.

  • What are the potential impacts of CVE-2023-35788?

    CVE-2023-35788 can lead to out-of-bounds writes, resulting in potential denial of service or privilege escalation.

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