416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2021-47521CVE-2021-47521
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
5.1%
In the Linux kernel, the following vulnerability has been resolved:
can: sja1000: fix use after free in ems_pcmcia_add_card()
If the last channel is not available then “dev” is freed. Fortunately,
we can just use “pdev->irq” instead.
Also we should check if at least one channel was set up.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| linux | linux_kernel | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
References
git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6bec
git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2a
git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45
git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039ce
git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288
git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36
git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4
git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aa
Related
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
5.1%