Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 before 8f88c78d24f6f346919007cd459fd7e51a8c7779; affected 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 before be1ca30331c7923c6f376610c1bd6059be9b1908; affected 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 before c38023032a598ec6263e008d62c7f02def72d5c7; affected 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 before b67ad6170c0ea87391bb253f35d1f78857736e54; affected 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 before e372ecd455b6ebc7720f52bf4b5f5d44d02f2092; affected 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 before db044d97460ea792110eb8b971e82569ded536c6; affected 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 before e43669c77cb3a742b7d84ecdc7c68c4167a7709b; affected 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 before 839ec7039513a4f84bfbaff953a9393471176bee; affected 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 before 47934e06b65637c88a762d9c98329ae6e3238888 |
| Linux / Linux | affected 2.6.26; unaffected 0 before 2.6.26; unaffected 4.4.302 through 4.4.*; unaffected 4.9.300 through 4.9.*; unaffected 4.14.265 through 4.14.*; unaffected 4.19.228 through 4.19.*; unaffected 5.4.176 through 5.4.*; unaffected 5.10.96 through 5.10.*; unaffected 5.15.19 through 5.15.*; unaffected 5.16.5 through 5.16.*; unaffected 5.17 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/8f88c78d24f6f346919007cd459fd7e51a8c7779
- https://git.kernel.org/stable/c/be1ca30331c7923c6f376610c1bd6059be9b1908
- https://git.kernel.org/stable/c/c38023032a598ec6263e008d62c7f02def72d5c7
- https://git.kernel.org/stable/c/b67ad6170c0ea87391bb253f35d1f78857736e54
- https://git.kernel.org/stable/c/e372ecd455b6ebc7720f52bf4b5f5d44d02f2092
- https://git.kernel.org/stable/c/db044d97460ea792110eb8b971e82569ded536c6
- https://git.kernel.org/stable/c/e43669c77cb3a742b7d84ecdc7c68c4167a7709b
- https://git.kernel.org/stable/c/839ec7039513a4f84bfbaff953a9393471176bee
- https://git.kernel.org/stable/c/47934e06b65637c88a762d9c98329ae6e3238888
ADP enrichment
No English description supplied.
- https://git.kernel.org/stable/c/8f88c78d24f6f346919007cd459fd7e51a8c7779
- https://git.kernel.org/stable/c/be1ca30331c7923c6f376610c1bd6059be9b1908
- https://git.kernel.org/stable/c/c38023032a598ec6263e008d62c7f02def72d5c7
- https://git.kernel.org/stable/c/b67ad6170c0ea87391bb253f35d1f78857736e54
- https://git.kernel.org/stable/c/e372ecd455b6ebc7720f52bf4b5f5d44d02f2092
- https://git.kernel.org/stable/c/db044d97460ea792110eb8b971e82569ded536c6
- https://git.kernel.org/stable/c/e43669c77cb3a742b7d84ecdc7c68c4167a7709b
- https://git.kernel.org/stable/c/839ec7039513a4f84bfbaff953a9393471176bee
- https://git.kernel.org/stable/c/47934e06b65637c88a762d9c98329ae6e3238888
No English description supplied.
No references supplied.