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Out-of-bounds Write Affecting kernel-rt-modules-core package, versions <0:5.14.0-284.25.1.rt14.310.el9_2

Severity

 Recommended
0.0
high
0
10

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.06% (30th percentile)

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  • Snyk ID SNYK-ALMALINUX9-KERNELRTMODULESCORE-5828954
  • published 8 Aug 2023
  • disclosed 1 Aug 2023
Report a new vulnerability Found a mistake?

Introduced: 1 Aug 2023

CVE-2023-35788 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:9 kernel-rt-modules-core to version 0:5.14.0-284.25.1.rt14.310.el9_2 or higher.
This issue was patched in ALSA-2023:4378.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-modules-core package and not the kernel-rt-modules-core package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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.

References

CVSS Scores

version 3.1
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NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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SUSE

7.4 high
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Red Hat

7.8 high