CVE-2022-48757 | In the Linux kernel, the following vulnerability has been resolved: net: fix information leakage in /proc/net/ptype In one net namespace, after creating a packet socket without binding it to a device, users in other net namespaces can observe the new `packet_type` added by this packet socket by reading `/proc/net/ptype` file. This is minor information leakage as packet socket is namespace aware. Add a net pointer in `packet_type` to keep the net namespace
In the Linux kernel, the following vulnerability has been resolved:
net: fix information leakage in /proc/net/ptype
In one net namespace, after creating a packet socket without binding
it to a device, users in other net namespaces can observe the new
`packet_type` added by this packet socket by reading `/proc/net/ptype`
file. This is minor information leakage as packet socket is
namespace aware.
Add a net pointer in `packet_type` to keep the net namespace of
of corresponding packet socket. In `ptype_seq_show`, this net pointer
must be checked when it is not NULL.
- 🔗 git.kernel.org/stable/c/8f88c78d24f6f346919007cd459fd7e5…
- 🔗 git.kernel.org/stable/c/be1ca30331c7923c6f376610c1bd6059…
- 🔗 git.kernel.org/stable/c/c38023032a598ec6263e008d62c7f02d…
- 🔗 git.kernel.org/stable/c/b67ad6170c0ea87391bb253f35d1f788…
- 🔗 git.kernel.org/stable/c/e372ecd455b6ebc7720f52bf4b5f5d44…
- 🔗 git.kernel.org/stable/c/db044d97460ea792110eb8b971e82569…
- 🔗 git.kernel.org/stable/c/e43669c77cb3a742b7d84ecdc7c68c41…
- 🔗 git.kernel.org/stable/c/839ec7039513a4f84bfbaff953a93934…
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CVE-2022-48757 | In the Linux kernel, the following vulnerability has been resolved: net: fix information leakage in /proc/net/ptype In one net namespace, after creating a packet socket without binding it to a device, users in other net namespaces can observe the new `packet_type` added by this packet socket by reading `/proc/net/ptype` file. This is minor information leakage as packet socket is namespace aware. Add a net pointer in `packet_type` to keep the net namespace
In the Linux kernel, the following vulnerability has been resolved: net: fix information leakage in /proc/net/ptype In one net namespace, after creating a packet socket without binding it to a device, users in other net namespaces can obs