CVE-2023-39189
CVE-2023-39189: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium5.1
Medium [CVE-2023-39189] Kernel: netfilter: nftables out-of-bounds read in nf_osf_match_one
CVE-2023-39189Source published Source updated
A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure. Red Hat severity: Moderate — CVSS 5.1 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L). Weakness: CWE-125. Affected Red Hat products: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9. Red Hat fixing advisory: RHSA-2024:2950, RHSA-2024:3138, RHSA-2024:2394. Affected products named by the advisory: Red Hat package: kernel-rt.
- Affected products in this advisory
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat package: kernel-rt
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- kernel-rt-0:4.18.0-553.rt7.342.el8_10
- kernel-0:4.18.0-553.el8_10
- kernel-0:5.14.0-427.13.1.el9_4
- RHSA-2024:2950
2 more entries in the full advisory.
- Mitigation guidance
- This flaw can be mitigated by preventing the affected Passive OS Fingerprinting match module (`xt_osf`) from being loaded. For instructions on how to blacklist a kernel module, please see https://access.redhat.com/solutions/41278.
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