CVE-2026-80599

Summary

In the Linux kernel, the following vulnerability has been resolved:

batman-adv: dat: ensure accessible eth_hdr proto field

When batadv_get_vid() accesses the proto field of the ethernet header, it is not checking if the data itself is accessible. The caller is responsible for it. But in contrast to other call sites, batadv_dat_get_vid() and its caller didn't make sure this is true. This could have caused an out-of-bounds access.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxbe1db4f6615b5e6156c807ea8985171c215c2d57 < da3677b5ed362742d30ceab31bfafcdc74dc2642affected
LinuxLinuxbe1db4f6615b5e6156c807ea8985171c215c2d57 < 6d3ea37074bb747f745d28138f87745ba9bd97c5affected
LinuxLinuxbe1db4f6615b5e6156c807ea8985171c215c2d57 < 7913935d41f166c367bbf7cc76a79e50044388e8affected
LinuxLinuxbe1db4f6615b5e6156c807ea8985171c215c2d57 < 3c62694c31f043568c3f4784b8d247cc3bea6b4caffected
LinuxLinuxbe1db4f6615b5e6156c807ea8985171c215c2d57 < 5836a050d02e9598fa0f71e88dde28b63dfa35e3affected
LinuxLinuxbe1db4f6615b5e6156c807ea8985171c215c2d57 < 8f76277d02176cd739945bba3379448e2e22e799affected
LinuxLinuxbe1db4f6615b5e6156c807ea8985171c215c2d57 < 4407ff3af469356f9641c4a6e7072309bae86beaaffected
LinuxLinuxbe1db4f6615b5e6156c807ea8985171c215c2d57 < 26560c4a03dc4d607331600c187f59ab2df5f341affected
LinuxLinux3.13affected
LinuxLinux0 < 3.13unaffected
LinuxLinux5.10.261 <= 5.10.*unaffected
LinuxLinux5.15.212 <= 5.15.*unaffected
LinuxLinux6.1.178 <= 6.1.*unaffected
LinuxLinux6.6.145 <= 6.6.*unaffected
LinuxLinux6.12.97 <= 6.12.*unaffected
LinuxLinux6.18.40 <= 6.18.*unaffected
LinuxLinux7.1.5 <= 7.1.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References