CVE-2022-49870
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)
capabilities: fix undefined behavior in bit shift for CAP_TO_MASK
In the Linux kernel, the following vulnerability has been resolved: capabilities: fix undefined behavior in bit shift for CAP_TO_MASK 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 security/commoncap.c:1252:2 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 cap_task_prctl+0x561/0x6f0 security_task_prctl+0x5a/0xb0 __x64_sys_prctl+0x61/0x8f0 do_syscall_64+0x58/0x80 entry_SYSCALL_64_after_hwframe+0x63/0xcd </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) |
|---|---|---|---|---|---|
| e338d263a76af78fe8f38a72131188b58fceb591 | affected | git | 5b79fa628e2ab789e629a83cd211ef9b4c1a593e | Unavailable | None listed |
| e338d263a76af78fe8f38a72131188b58fceb591 | affected | git | 65b0bc7a0690861812ade523d19f82688ab819dc | Unavailable | None listed |
| e338d263a76af78fe8f38a72131188b58fceb591 | affected | git | dbaab08c8677d598244d21afb7818e44e1c5d826 | Unavailable | None listed |
| e338d263a76af78fe8f38a72131188b58fceb591 | affected | git | 5661f111a1616ac105ec8cec81bff99b60f847ac | Unavailable | None listed |
| e338d263a76af78fe8f38a72131188b58fceb591 | affected | git | fcbd2b336834bd24e1d9454ad5737856470c10d7 | Unavailable | None listed |
| e338d263a76af78fe8f38a72131188b58fceb591 | affected | git | 151dc8087b5609e53b069c068e3f3ee100efa586 | Unavailable | None listed |
| e338d263a76af78fe8f38a72131188b58fceb591 | affected | git | 27bdb134c043ff32c459d98f16550d0ffa0b3c34 | Unavailable | None listed |
| e338d263a76af78fe8f38a72131188b58fceb591 | affected | git | 46653972e3ea64f79e7f8ae3aa41a4d3fdb70a13 | 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) |
|---|---|---|---|---|---|
| 2.6.25 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 2.6.25 | Unavailable | None listed |
| 4.9.334 | unaffected | semver | Unavailable | 4.9.* | None listed |
| 4.14.300 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.267 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.225 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.155 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.79 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.0.9 | unaffected | semver | Unavailable | 6.0.* | None listed |
| 6.1 | unaffected | original_commit_for_fix | Unavailable | * | None listed |