CVE-2022-48770
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)
bpf: Guard against accessing NULL pt_regs in bpf_get_task_stack()
In the Linux kernel, the following vulnerability has been resolved: bpf: Guard against accessing NULL pt_regs in bpf_get_task_stack() task_pt_regs() can return NULL on powerpc for kernel threads. This is then used in __bpf_get_stack() to check for user mode, resulting in a kernel oops. Guard against this by checking return value of task_pt_regs() before trying to obtain the call chain.
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) |
|---|---|---|---|---|---|
| fa28dcb82a38f8e3993b0fae9106b1a80b59e4f0 | affected | git | ff6bdc205fd0a83bd365405d4e31fb5905826996 | Unavailable | None listed |
| fa28dcb82a38f8e3993b0fae9106b1a80b59e4f0 | affected | git | 0bcd484587b3b3092e448d27dc369e347e1810c3 | Unavailable | None listed |
| fa28dcb82a38f8e3993b0fae9106b1a80b59e4f0 | affected | git | b82ef4985a6d05e80f604624332430351df7b79a | Unavailable | None listed |
| fa28dcb82a38f8e3993b0fae9106b1a80b59e4f0 | affected | git | b992f01e66150fc5e90be4a96f5eb8e634c8249e | 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) |
|---|---|---|---|---|---|
| 5.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.9 | Unavailable | 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 |