Race Condition Affecting perf package, versions <0:4.18.0-477.74.1.el8_8
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Test your applications- Snyk ID SNYK-RHEL8-PERF-8086986
- published 24 Sep 2024
- disclosed 1 May 2024
Introduced: 1 May 2024
CVE-2024-27019 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-477.74.1.el8_8 or higher.
This issue was patched in RHSA-2024:6993.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: Fix potential data-race in __nft_obj_type_get()
nft_unregister_obj() can concurrent with __nft_obj_type_get(), and there is not any protection when iterate over nf_tables_objects list in __nft_obj_type_get(). Therefore, there is potential data-race of nf_tables_objects list entry.
Use list_for_each_entry_rcu() to iterate over nf_tables_objects list in __nft_obj_type_get(), and use rcu_read_lock() in the caller nft_obj_type_get() to protect the entire type query process.
References
- https://access.redhat.com/security/cve/CVE-2024-27019
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EZ6PJW7VOZ224TD7N4JZNU6KV32ZJ53/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAMSOZXJEPUOXW33WZYWCVAY7Z5S7OOY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCBZZEC7L7KTWWAS2NLJK6SO3IZIL4WW/
- https://git.kernel.org/stable/c/379bf7257bc5f2a1b1ca8514e08a871b7bf6d920
- https://git.kernel.org/stable/c/4ca946b19caf655a08d5e2266d4d5526025ebb73
- https://git.kernel.org/stable/c/ad333578f736d56920e090d7db1f8dec891d815e
- https://git.kernel.org/stable/c/cade34279c2249eafe528564bd2e203e4ff15f88
- https://git.kernel.org/stable/c/d78d867dcea69c328db30df665be5be7d0148484
- https://git.kernel.org/stable/c/df7c0fb8c2b9f9cac65659332581b19682a71349