CVE-2024-35898 Affecting kernel-headers package, versions <0:5.14.0-427.33.1.el9_4


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-ORACLE9-KERNELHEADERS-7852537
  • published30 Aug 2024
  • disclosed19 May 2024

Introduced: 19 May 2024

CVE-2024-35898  (opens in a new tab)

How to fix?

Upgrade Oracle:9 kernel-headers to version 0:5.14.0-427.33.1.el9_4 or higher.
This issue was patched in ELSA-2024-5928.

NVD Description

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

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()

nft_unregister_flowtable_type() within nf_flow_inet_module_exit() can concurrent with __nft_flowtable_type_get() within nf_tables_newflowtable(). And thhere is not any protection when iterate over nf_tables_flowtables list in __nft_flowtable_type_get(). Therefore, there is pertential data-race of nf_tables_flowtables list entry.

Use list_for_each_entry_rcu() to iterate over nf_tables_flowtables list in __nft_flowtable_type_get(), and use rcu_read_lock() in the caller nft_flowtable_type_get() to protect the entire type query process.

CVSS Scores

version 3.1