Medium [CVE-2026-72433] fix NFT_META_BRI_IIFPVID stack leak
This medium-severity Red Hat Linux advisory covers CVE-2026-72433 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat package: kernel-rt.
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Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_meta_bridge: fix NFT_META_BRI_IIFPVID stack leak This needs to test for nonzero retval. A flaw was found in the Linux kernel's netfilter component, specifically within the `nft_meta_bridge` module.
This vulnerability, a stack leak, occurs due to improper handling of return values, which fails to test for nonzero results. An attacker could potentially exploit this issue to gain access to sensitive information from the kernel's memory.
Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-562.
Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9. Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: kernel-rt.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 24 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 24 days ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 24 days ago·verify at source
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