CVE-2022-50156
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)
HID: cp2112: prevent a buffer overflow in cp2112_xfer()
In the Linux kernel, the following vulnerability has been resolved: HID: cp2112: prevent a buffer overflow in cp2112_xfer() Smatch warnings: drivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy() 'data->block[1]' too small (33 vs 255) drivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy() 'buf' too small (64 vs 255) The 'read_length' variable is provided by 'data->block[0]' which comes from user and it(read_length) can take a value between 0-255. Add an upper bound to 'read_length' variable to prevent a buffer overflow in memcpy().
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) |
|---|---|---|---|---|---|
| 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 | affected | git | 3af7d60e9a6c17d6d41c4341f8020511887d372d | Unavailable | None listed |
| 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 | affected | git | 519ff31a6ddd87aa4905bd9bf3b92e8b88801614 | Unavailable | None listed |
| 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 | affected | git | ebda3d6b004bb6127a66a616524a2de152302ca7 | Unavailable | None listed |
| 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 | affected | git | 8489a20ac481b08c0391608d81ed3796d373cfdf | Unavailable | None listed |
| 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 | affected | git | e7028944e61014ae915e7fb74963d3835f2f761a | Unavailable | None listed |
| 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 | affected | git | 26e427ac85c2b8d0d108cc80b6de34d33e2780c4 | Unavailable | None listed |
| 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 | affected | git | 381583845d19cb4bd21c8193449385f3fefa9caf | 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) |
|---|---|---|---|---|---|
| 4.15 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.15 | Unavailable | None listed |
| 4.19.256 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.211 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.137 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.61 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.18.18 | unaffected | semver | Unavailable | 5.18.* | None listed |
| 5.19.2 | unaffected | semver | Unavailable | 5.19.* | None listed |
| 6.0 | unaffected | original_commit_for_fix | Unavailable | * | None listed |