VDB
CVE-2026-31738
CVE-2026-31738
PUBLISHED
In the Linux kernel, the following vulnerability has been resolved: vxlan: validate ND option lengths in vxlan_na_create vxlan_na_create() walks ND options according to option-provided lengths. A malformed option can make the parser advance beyond the computed option span or use a too-short source LLADDR option payload. Validate option lengths against the remaining NS option area before advancing, and only read source LLADDR when the option is large enough for an Ethernet address.
EPSS 0.01% · 2.4th percentile
Risk Scores
EPSS Score
0.01%
2.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | *, 5.10.253, 5.15.203 |
| linux | linux_kernel | 3.14, 3.14, 3.14 |
Timeline
- May 1, 2026 CVE Published
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 23, 2026 CVE Updated
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
- May 26, 2026 EPSS Score
- May 27, 2026 EPSS Score
References
- https://git.kernel.org/stable/c/901c1dd3bab2955d7e664f914c374c8c3ac2b958 url
- https://git.kernel.org/stable/c/e476745917a1e288eb15e7ff49d286a86a4861d3 url
- https://git.kernel.org/stable/c/2029712fb2c87e9a8c75094906f2ee29bf08c500 url
- https://git.kernel.org/stable/c/602596c69a70e50d9ab8c6ae0290a01f88229dd7 url
- https://git.kernel.org/stable/c/de20d2e3b9179d132f5f5b44e490d7c916c6321b url
- https://git.kernel.org/stable/c/eddfce70a6f3107d1679b0c2fcbeb96b593bd679 url
- https://git.kernel.org/stable/c/b69c4236255bd8de16cd876e58c6f0867d1d78b1 url
- https://git.kernel.org/stable/c/afa9a05e6c4971bd5586f1b304e14d61fb3d9385 url
- https://lists.debian.org/debian-lts-announce/2026/05/msg00004.html advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00005.html advisory
- https://lists.debian.org/debian-security-announce/2026/msg00154.html advisory
- https://lists.debian.org/debian-security-announce/2026/msg00148.html advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00051.html advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00052.html advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621930-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621841-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20262238-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621974-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20262217-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621979-1 advisory
…and 81 more