CVE-2023-53075
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2023
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
ftrace: Fix invalid address access in lookup_rec() when index is 0
In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix invalid address access in lookup_rec() when index is 0 KASAN reported follow problem: BUG: KASAN: use-after-free in lookup_rec Read of size 8 at addr ffff000199270ff0 by task modprobe CPU: 2 Comm: modprobe Call trace: kasan_report __asan_load8 lookup_rec ftrace_location arch_check_ftrace_location check_kprobe_address_safe register_kprobe When checking pg->records[pg->index - 1].ip in lookup_rec(), it can get a pg which is newly added to ftrace_pages_start in ftrace_process_locs(). Before the first pg->index++, index is 0 and accessing pg->records[-1].ip will cause this problem. Don't check the ip when pg->index is 0.
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) |
|---|---|---|---|---|---|
| 9644302e3315e7e36495d230d5ac7125a316d33e | affected | git | 2de28e5ce34b22b73b833a21e2c45ae3aade3964 | Unavailable | None listed |
| 9644302e3315e7e36495d230d5ac7125a316d33e | affected | git | 7569ee04b0e3b32df79f64db3a7138573edad9bc | Unavailable | None listed |
| 9644302e3315e7e36495d230d5ac7125a316d33e | affected | git | ac58b88ccbbb8e9fb83e137cee04a856b1ea6635 | Unavailable | None listed |
| 9644302e3315e7e36495d230d5ac7125a316d33e | affected | git | 83c3b2f4e7c61367c7b24551f4c6eb94bbdda283 | Unavailable | None listed |
| 9644302e3315e7e36495d230d5ac7125a316d33e | affected | git | 2a0d71fabfeb349216d33f001a6421b1768bd3a9 | Unavailable | None listed |
| 9644302e3315e7e36495d230d5ac7125a316d33e | affected | git | 4f84f31f63416b0f02fc146ffdc4ab32723eb7e8 | Unavailable | None listed |
| 9644302e3315e7e36495d230d5ac7125a316d33e | affected | git | f1bd8b7fd890d87d0dc4dedc6287ea34dd07c0b4 | Unavailable | None listed |
| 9644302e3315e7e36495d230d5ac7125a316d33e | affected | git | ee92fa443358f4fc0017c1d0d325c27b37802504 | 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) |
|---|---|---|---|---|---|
| 3.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 3.5 | Unavailable | None listed |
| 4.14.311 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.279 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.238 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.176 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.104 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.21 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.2.8 | unaffected | semver | Unavailable | 6.2.* | None listed |
| 6.3 | unaffected | original_commit_for_fix | Unavailable | * | None listed |