Advisories » MGASA-2021-0191

Updated kernel-linus packages fix security vulnerabilities

Publication date: 18 Apr 2021
Modification date: 17 Feb 2022
Type: security
Affected Mageia releases : 7 , 8
CVE: CVE-2020-25670 , CVE-2020-25671 , CVE-2020-25672 , CVE-2021-3483 , CVE-2021-29154 , CVE-2021-29657

Description

This kernel-linus update is based on upstream 5.10.30 and fixes at least
the following security issues:

nfc: fix refcount leak in llcp_sock_bind() (CVE-2020-25670)

nfc: fix refcount leak in llcp_sock_connect() (CVE-2020-25671)

nfc: fix memory leak in llcp_sock_connect() (CVE-2020-25672)

firewire: nosy: Fix a use-after-free bug in nosy_ioctl() (CVE-2021-3483)

BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect
computation of branch displacements, allowing them to execute arbitrary 
code within the kernel context (CVE-2021-29154).

KVM: SVM: load control fields from VMCB12 before checking them
(CVE-2021-29657).

For other upstream fixes, see the referenced changelogs.
                

References

• https://bugs.mageia.org/show_bug.cgi?id=28781
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.28
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.29
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.30
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25670
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25671
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25672
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3483
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29154
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29657

SRPMS

7/core

• kernel-linus-5.10.30-1.mga7

8/core

• kernel-linus-5.10.30-1.mga8