MGASA-2021-0191 - Updated kernel-linus packages fix security vulnerabilities

Publication date: 18 Apr 2021
URL: https://advisories.mageia.org/MGASA-2021-0191.html
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

This kernel-linus update is based on upstream 5.10.30 and fixes atleast
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