CVE-2022-48757
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
net: fix information leakage in /proc/net/ptype
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 | affected | git | 8f88c78d24f6f346919007cd459fd7e51a8c7779 | Unavailable | None listed |
| 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 | affected | git | be1ca30331c7923c6f376610c1bd6059be9b1908 | Unavailable | None listed |
| 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 | affected | git | c38023032a598ec6263e008d62c7f02def72d5c7 | Unavailable | None listed |
| 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 | affected | git | b67ad6170c0ea87391bb253f35d1f78857736e54 | Unavailable | None listed |
| 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 | affected | git | e372ecd455b6ebc7720f52bf4b5f5d44d02f2092 | Unavailable | None listed |
| 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 | affected | git | db044d97460ea792110eb8b971e82569ded536c6 | Unavailable | None listed |
| 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 | affected | git | e43669c77cb3a742b7d84ecdc7c68c4167a7709b | Unavailable | None listed |
| 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 | affected | git | 839ec7039513a4f84bfbaff953a9393471176bee | Unavailable | None listed |
| 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 | affected | git | 47934e06b65637c88a762d9c98329ae6e3238888 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2.6.26 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 2.6.26 | Unavailable | None listed |
| 4.4.302 | unaffected | semver | Unavailable | 4.4.* | None listed |
| 4.9.300 | unaffected | semver | Unavailable | 4.9.* | None listed |
| 4.14.265 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.228 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.176 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.96 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.19 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.16.5 | unaffected | semver | Unavailable | 5.16.* | None listed |
| 5.17 | unaffected | original_commit_for_fix | Unavailable | * | None listed |