SB2016120507 - Fedora 24 update for kernel
Published: December 5, 2016 Updated: April 24, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2016-9777)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to an out-of-bounds read error within the ioapic_read_indirect() function in arch/x86/kvm/ioapic.c. A local user can escalate privileges on the system.
2) Information exposure (CVE-ID: CVE-2016-9756)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information exposure error within the em_iret(), em_jmp_far() and em_ret_far() functions in arch/x86/kvm/emulate.c. A local user can gain access to sensitive information.
3) Out-of-bounds read (CVE-ID: CVE-2016-9755)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to an out-of-bounds read error within the ipv6_defrag() function in net/ipv6/netfilter/nf_defrag_ipv6_hooks.c, within the nf_ct_frag6_gather() function in net/ipv6/netfilter/nf_conntrack_reasm.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.