CVE-2023-52878

can: dev: can_put_echo_skb(): don't crash kernel if can_priv::echo_skb is accessed out of bounds

MEDIUM
5.5
CVSS Score
Published: May 21, 2024 at 03:32 PM UTC
Updated: June 17, 2026 at 06:43 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: can: dev: can_put_echo_skb(): don't crash kernel if can_priv::echo_skb is accessed out of bounds If the "struct can_priv::echoo_skb" is accessed out of bounds, this would cause a kernel crash. Instead, issue a meaningful warning message and return with an error.

Affected

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

2.6.33 ≤ v < 5.15.1392.6.33 ≤ v < 6.1.632.6.33 ≤ v < 6.5.122.6.33 ≤ v < 6.6.22.6.33 ≤ v < 6.75.16 ≤ v < 6.1.636.2 ≤ v < 6.5.126.6 ≤ v < 6.6.22.6.33a6e4bc5304033e434fabccabb230b8e9ff55d76f
Vendor states this is fixed in 0d30931f1fa0fb893fb7d5dc32b6b7edfb775be4 (fixed)
Vendor states this is fixed in 53c468008a7c9ca3f5fc985951f35ec2acae85bc (fixed)
Vendor states this is fixed in 6411959c10fe917288cbb1038886999148560057 (fixed)
Vendor states this is fixed in 826120c9ba68f2d0dbae58e99013929c883d1444 (fixed)
Vendor states this is fixed in 8ab67da060157362b2e0926692c659808784708f (fixed)
Vendor states this is fixed in 2.6.33 (unaffected)
Vendor states this is fixed in 5.15.139 (unaffected)
Vendor states this is fixed in 6.1.63 (unaffected)
Vendor states this is fixed in 6.5.12 (unaffected)
Vendor states this is fixed in 6.6.2 (unaffected)
Vendor states this is fixed in 6.7 (unaffected)

References (5)

Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0d30931f1fa0fb893fb7d5dc32b6b7edfb775be4
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/53c468008a7c9ca3f5fc985951f35ec2acae85bc
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6411959c10fe917288cbb1038886999148560057
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/826120c9ba68f2d0dbae58e99013929c883d1444
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8ab67da060157362b2e0926692c659808784708f

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-125

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