Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Local
0

CVE-2024-56771

Disclosure Date: January 08, 2025
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Description

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

mtd: spinand: winbond: Fix 512GW, 01GW, 01JW and 02JW ECC information

These four chips:

  • W25N512GW
  • W25N01GW
  • W25N01JW
  • W25N02JW
    all require a single bit of ECC strength and thus feature an on-die
    Hamming-like ECC engine. There is no point in filling a –>get_status()
    callback for them because the main ECC status bytes are located in
    standard places, and retrieving the number of bitflips in case of
    corrected chunk is both useless and unsupported (if there are bitflips,
    then there is 1 at most, so no need to query the chip for that).

Without this change, a kernel warning triggers every time a bit flips.

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CVSS V3 Severity and Metrics
Base Score:
5.5 Medium
Impact Score:
3.6
Exploitability Score:
1.8
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

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Technical Analysis