CVE-2026-98497net/mlx5e: fix swapped IPv6 IPsec policy masks
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix swapped IPv6 IPsec policy masks IPv6 XFRM policies may use different source and destination prefix lengths. mlx5e_ipsec_policy_mask() builds the corresponding masks independently, but setup_fte_addr6() installs each mask in the opposite address field. When the prefix lengths differ, this makes the source match use the destination prefix and the destination match use the source prefix. The resulting hardware rule can both miss traffic covered by the policy and match traffic outside it. Install each mask in its corresponding match field.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 18, 2026
- First seen by InfoSec Signals
- Oct 18, 2026
Affected products
Linux Linux linux:linux (from the name) | from ca7992f52c2cb5ef61fbfa590a2d7c926f290237 before 3803dc8477f08e0dac4050cafee0de43f32727be; from ca7992f52c2cb5ef61fbfa590a2d7c926f290237 before e73f832f0a7b2c6ea45b2124c732d639be97b547; from ca7992f52c2cb5ef61fbfa590a2d7c926f290237 before 10de7ed8ef4840da9ca21de4c29578657ac367db | CNA record |
References
- https://git.kernel.org/stable/c/3803dc8477f08e0dac4050cafee0de43f32727be
- https://git.kernel.org/stable/c/e73f832f0a7b2c6ea45b2124c732d639be97b547
- https://git.kernel.org/stable/c/10de7ed8ef4840da9ca21de4c29578657ac367db
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.