CVE-2021-46965

Summary

In the Linux kernel, the following vulnerability has been resolved:

mtd: physmap: physmap-bt1-rom: Fix unintentional stack access

Cast &data to (char *) in order to avoid unintentionally accessing the stack.

Notice that data is of type u32, so any increment to &data will be in the order of 4-byte chunks, and this piece of code is actually intended to be a byte offset.

Addresses-Coverity-ID: 1497765 ("Out-of-bounds access")

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxb3e79e7682e075326df8041b826b03453acacd0a < 34ec706bf0b7c4ca249a729c1bcb91f706c7a7beaffected
LinuxLinuxb3e79e7682e075326df8041b826b03453acacd0a < 4e4ebb827bf09311469ffd9d0c14ed40ed9747aaaffected
LinuxLinuxb3e79e7682e075326df8041b826b03453acacd0a < 4d786870e3262ec098a3b4ed10b895176bc66ecbaffected
LinuxLinuxb3e79e7682e075326df8041b826b03453acacd0a < 683313993dbe1651c7aa00bb42a041d70e914925affected
LinuxLinux5.10affected
LinuxLinux0 < 5.10unaffected
LinuxLinux5.10.36 <= 5.10.*unaffected
LinuxLinux5.11.20 <= 5.11.*unaffected
LinuxLinux5.12.3 <= 5.12.*unaffected
LinuxLinux5.13 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References