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Alerts This Week
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Mageia 8: MGASA-2021-0508 Critical: Kernel Issues and Threats

mageia
Calendar Grey November 11, 2021
Dist Mageia Esm H88
Mageia's Kernel-Linus Patch MGASA-2021-0508 resolves numerous serious vulnerabilities, boosting security measures.
This kernel-linus update is based on upstream 5.10.78 and fixes atleast the following security issues: A use-after-free vulnerability in the NFC stack can lead to a threat to conf...

Summary

This kernel-linus update is based on upstream 5.10.78 and fixes atleast the following security issues:
A use-after-free vulnerability in the NFC stack can lead to a threat to confidentiality, integrity, and system availability (CVE-2021-3760).
A flaw in the SCTP stack where a blind attacker may be able to kill an existing SCTP association through invalid chunks if the attacker knows the IP-addresses and port numbers being used and the attacker can send packets with spoofed IP addresses (CVE-2021-3772).
A flaw heap buffer overflow in the Linux kernel's AMD Radeon graphics card driver was found in the way user writes some malicious data to the AMD GPU Display Driver Debug Filesystem (to the VGA sub-directory of the /sys/kernel/debug/ directory). A local user could use this flaw to crash the system or escalate their privileges on the system (CVE-2021-42327).
A flaw was discovered in the cryptographic receive code in the Linux kernel's implementation of transparent interprocess communic...

Read the Full Advisory

References

- https://bugs.mageia.org/show_bug.cgi?id=29629

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.76

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.77

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.78

- https://www.cve.org/CVERecord?id=CVE-2021-3760

- https://www.cve.org/CVERecord?id=CVE-2021-3772

- https://www.cve.org/CVERecord?id=CVE-2021-42327

- https://www.cve.org/CVERecord?id=CVE-2021-43267

- https://www.cve.org/CVERecord?id=CVE-2021-43389

Topics%20covered

Topics Covered

security advisory buffer overflow kernel update memory corruption use-after-free Mageia SCTP attack

Resolution

SRPMS

- 8/core/kernel-linus-5.10.78-1.mga8

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 11 Nov 2021
URL: https://advisories.mageia.org/MGASA-2021-0508.html
Type: security
CVE: CVE-2021-3760, CVE-2021-3772, CVE-2021-42327, CVE-2021-43267, CVE-2021-43389

Topics%20covered

Topics Covered

security advisory buffer overflow kernel update memory corruption use-after-free Mageia SCTP attack

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