| Name | CVE-2017-7308 |
| Description | The packet_set_ring function in net/packet/af_packet.c in the Linux kernel through 4.10.6 does not properly validate certain block-size data, which allows local users to cause a denial of service (integer signedness error and out-of-bounds write), or gain privileges (if the CAP_NET_RAW capability is held), via crafted system calls. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-922-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.226-1 | fixed | |
| bookworm | 6.1.115-1 | fixed | |
| bookworm (security) | 6.1.112-1 | fixed | |
| trixie | 6.11.7-1 | fixed | |
| sid | 6.11.9-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | wheezy | 3.2.88-1 | DLA-922-1 | ||
| linux | source | jessie | 3.16.43-1 | |||
| linux | source | (unstable) | 4.9.18-1 |
Fixed by: https://git.kernel.org/linus/2b6867c2ce76c596676bec7d2d525af525fdc6e2
Fixed by: https://git.kernel.org/linus/8f8d28e4d6d815a391285e121c3a53a0b6cb9e7b
Fixed by: https://git.kernel.org/linus/bcc5364bdcfe131e6379363f089e7b4108d35b70
https://googleprojectzero.blogspot.com/2017/05/exploiting-linux-kernel-via-packet.html