In the Linux kernel, the following vulnerability has been resolved: bpf: Fix regsafe() for pointers to packet In case rold->reg->range == BEYOND_PKT_END && rcur->reg->range == N regsafe() may return true which may lead to current state with valid packet range not being explored. Fix the bug.

References

• https://git.kernel.org/stable/c/015a74476dc1ab6923d89f1ee009aaf43faa7185
• https://git.kernel.org/stable/c/37db6b9726d0bcf91cbdf9d63b558c50da49f968
• https://git.kernel.org/stable/c/7241da033fdc507b920e092dab1f97b945cb0370
• https://git.kernel.org/stable/c/8aebe18069394f4a79d2d82080a0f806da449996
• https://git.kernel.org/stable/c/a8502a79e832b861e99218cbd2d8f4312d62e225
• https://git.kernel.org/stable/c/b52f6d0ef7b308f9d05bbddb78749852f28e8e40
• https://git.kernel.org/stable/c/b99d82706bd1511bb875e3de7154698fd9215c99
• https://git.kernel.org/stable/c/ca995b1462ec6db1e869100ba1fb7356bd3f22f0