CVE-2022-49907
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: mdio: fix undefined behavior in bit shift for __mdiobus_register
In the Linux kernel, the following vulnerability has been resolved: net: mdio: fix undefined behavior in bit shift for __mdiobus_register Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds in drivers/net/phy/mdio_bus.c:586:27 left shift of 1 by 31 places cannot be represented in type 'int' Call Trace: <TASK> dump_stack_lvl+0x7d/0xa5 dump_stack+0x15/0x1b ubsan_epilogue+0xe/0x4e __ubsan_handle_shift_out_of_bounds+0x1e7/0x20c __mdiobus_register+0x49d/0x4e0 fixed_mdio_bus_init+0xd8/0x12d do_one_initcall+0x76/0x430 kernel_init_freeable+0x3b3/0x422 kernel_init+0x24/0x1e0 ret_from_fork+0x1f/0x30 </TASK>
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) |
|---|---|---|---|---|---|
| 4fd5f812c23c7deee6425f4a318e85c317cd1d6c | affected | git | 20ed01a7b9af6e6a3c33761eebbb710ea6dd49b7 | Unavailable | None listed |
| 4fd5f812c23c7deee6425f4a318e85c317cd1d6c | affected | git | 7006176a3c863e3e353ce1b8a349ef5bb1b9320e | Unavailable | None listed |
| 4fd5f812c23c7deee6425f4a318e85c317cd1d6c | affected | git | a3fafc974be37319679f36dc4e7cca7db1e02973 | Unavailable | None listed |
| 4fd5f812c23c7deee6425f4a318e85c317cd1d6c | affected | git | 4954b5359eb141499492fadfab891e28905509e2 | Unavailable | None listed |
| 4fd5f812c23c7deee6425f4a318e85c317cd1d6c | affected | git | 634f066d02bdb22a26da7deb0c7617ab1a65fc9d | Unavailable | None listed |
| 4fd5f812c23c7deee6425f4a318e85c317cd1d6c | affected | git | 985a88bf0b27193522bba7856b1763f428cef19d | Unavailable | None listed |
| 4fd5f812c23c7deee6425f4a318e85c317cd1d6c | affected | git | 6ce6f8f8f6316da6f92afe7490bc2f0b654d68e0 | Unavailable | None listed |
| 4fd5f812c23c7deee6425f4a318e85c317cd1d6c | affected | git | 40e4eb324c59e11fcb927aa46742d28aba6ecb8a | 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) |
|---|---|---|---|---|---|
| 2.6.28 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 2.6.28 | Unavailable | None listed |
| 4.9.333 | unaffected | semver | Unavailable | 4.9.* | None listed |
| 4.14.299 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.265 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.224 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.154 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.78 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.0.8 | unaffected | semver | Unavailable | 6.0.* | None listed |
| 6.1 | unaffected | original_commit_for_fix | Unavailable | * | None listed |