CVE-2024-27028

spi: spi-mt65xx: Fix NULL pointer access in interrupt handler

MEDIUM
6.5
CVSS Score
Published: May 1, 2024 at 12:53 PM UTC
Updated: June 17, 2026 at 07:18 AM UTC
2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: spi: spi-mt65xx: Fix NULL pointer access in interrupt handler The TX buffer in spi_transfer can be a NULL pointer, so the interrupt handler may end up writing to the invalid memory and cause crashes. Add a check to trans->tx_buf before using it.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.11 ≤ v < 4.19.3114.11 ≤ v < 5.10.2144.11 ≤ v < 5.15.1534.11 ≤ v < 5.4.2734.11 ≤ v < 6.1.834.11 ≤ v < 6.6.234.11 ≤ v < 6.7.114.11 ≤ v < 6.8.24.11 ≤ v < 6.94.20 ≤ v < 5.4.2735.11 ≤ v < 5.15.1535.16 ≤ v < 6.1.835.5 ≤ v < 5.10.2146.2 ≤ v < 6.6.236.7 ≤ v < 6.7.116.8 ≤ v < 6.8.21ce24864bff40e11500a699789412115fdf244bf4.11
Vendor states this is fixed in 1784053cf10a14c4ebd8a890bad5cfe1bee51713 (fixed)
Vendor states this is fixed in 2342b05ec5342a519e00524a507f7a6ea6791a38 (fixed)
Vendor states this is fixed in 55f8ea6731aa64871ee6aef7dba53ee9f9f3b2f6 (fixed)
Vendor states this is fixed in 62b1f837b15cf3ec2835724bdf8577e47d14c753 (fixed)
Vendor states this is fixed in 766ec94cc57492eab97cbbf1595bd516ab0cb0e4 (fixed)
Vendor states this is fixed in a20ad45008a7c82f1184dc6dee280096009ece55 (fixed)
Vendor states this is fixed in bcfcdf19698024565eff427706ebbd8df65abd11 (fixed)
Vendor states this is fixed in bea82355df9e1c299625405b1947fc9b26b4c6d4 (fixed)
Vendor states this is fixed in c10fed329c1c104f375a75ed97ea3abef0786d62 (fixed)
Vendor states this is fixed in 4.11 (unaffected)
Vendor states this is fixed in 4.19.311 (unaffected)
Vendor states this is fixed in 5.10.214 (unaffected)
Vendor states this is fixed in 5.15.153 (unaffected)
Vendor states this is fixed in 5.4.273 (unaffected)
Vendor states this is fixed in 6.1.83 (unaffected)
Vendor states this is fixed in 6.6.23 (unaffected)
Vendor states this is fixed in 6.7.11 (unaffected)
Vendor states this is fixed in 6.8.2 (unaffected)
Vendor states this is fixed in 6.9 (unaffected)

References (11)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1784053cf10a14c4ebd8a890bad5cfe1bee51713
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2342b05ec5342a519e00524a507f7a6ea6791a38
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/55f8ea6731aa64871ee6aef7dba53ee9f9f3b2f6
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/62b1f837b15cf3ec2835724bdf8577e47d14c753
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/766ec94cc57492eab97cbbf1595bd516ab0cb0e4
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a20ad45008a7c82f1184dc6dee280096009ece55
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/bcfcdf19698024565eff427706ebbd8df65abd11
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/bea82355df9e1c299625405b1947fc9b26b4c6d4

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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