CVE-2023-52878: can: dev: can_put_echo_skb(): don't crash kernel if can_priv::echo_skb is accessed out of bounds
First published: Tue May 21 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.15.139 | 5.15.139 |
| redhat/kernel | <6.1.63 | 6.1.63 |
| redhat/kernel | <6.5.12 | 6.5.12 |
| redhat/kernel | <6.6.2 | 6.6.2 |
| redhat/kernel | <6.7 | 6.7 |
| Linux Kernel | >=2.6.33<5.15.139 | |
| Linux Kernel | >=5.16<6.1.63 | |
| Linux Kernel | >=6.2<6.5.12 | |
| Linux Kernel | >=6.6<6.6.2 | |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Software Stack | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Virtual Appliance | <=ISVG 10.0.2 | |
| IBM Security Verify Governance Identity Manager Container | <=ISVG 10.0.2 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2023-52878
- https://lore.kernel.org/linux-cve-announce/2024052122-CVE-2023-52878-d433@gregkh/T
- https://access.redhat.com/errata/RHSA-2024:4211
- https://access.redhat.com/errata/RHSA-2024:4352
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2282680
- https://git.kernel.org/stable/c/826120c9ba68f2d0dbae58e99013929c883d1444
- https://git.kernel.org/stable/c/0d30931f1fa0fb893fb7d5dc32b6b7edfb775be4
- https://git.kernel.org/stable/c/53c468008a7c9ca3f5fc985951f35ec2acae85bc
- https://git.kernel.org/stable/c/8ab67da060157362b2e0926692c659808784708f
- https://git.kernel.org/stable/c/6411959c10fe917288cbb1038886999148560057
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2023-52878?
CVE-2023-52878 has been classified with a high severity due to its potential to cause kernel crashes.
How do I fix CVE-2023-52878?
To fix CVE-2023-52878, update the Linux kernel to version 5.15.139, 6.1.63, 6.5.12, 6.6.2, or 6.7.
What systems are affected by CVE-2023-52878?
CVE-2023-52878 affects multiple versions of the Linux kernel in the Red Hat distribution.
What could happen if CVE-2023-52878 is exploited?
If exploited, CVE-2023-52878 may lead to kernel crashes affecting system stability.
Is there a patch available for CVE-2023-52878?
Yes, patches are available in the form of kernel updates for the affected versions.
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