CVE-2026-89963
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
powerpc/kexec_file: Fix null-ptr-def in extra size calculation
In the Linux kernel, the following vulnerability has been resolved: powerpc/kexec_file: Fix null-ptr-def in extra size calculation A static Sashiko AI review identified a potential NULL pointer dereference in kexec_extra_fdt_size_ppc64(). On platforms without any reserved memory regions, get_reserved_memory_ranges() can return 0 while leaving 'rmem' unallocated as NULL. Passing it directly leads to a kernel panic when evaluating 'rmem->nr_ranges'. Add a NULL check for 'rmem' to prevent this crash.
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) |
|---|---|---|---|---|---|
| 0d3ff067331ef84e7e7f49537d768881042ed5ba | affected | git | 11ef1c2a5dbe0bd8c1345f59bab7331d352f02cf | Unavailable | None listed |
| 0d3ff067331ef84e7e7f49537d768881042ed5ba | affected | git | df45337587db21c502fe5251d3bcc7887428f4fb | Unavailable | None listed |
| 0d3ff067331ef84e7e7f49537d768881042ed5ba | affected | git | 4ff3d9fd71c7bc2fc81afdac1970d9c55a5c0dea | Unavailable | None listed |
| 0d3ff067331ef84e7e7f49537d768881042ed5ba | affected | git | 761eda315a6e1fda3e8e2185b28430771fb1ac29 | 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) |
|---|---|---|---|---|---|
| 6.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 6.11 | Unavailable | None listed |
| 6.12.110 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.18.51 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 7.2.5 | unaffected | semver | Unavailable | 7.2.* | None listed |
| 7.3 | unaffected | original_commit_for_fix | Unavailable | * | None listed |