SB2017021630 - Fedora 25 update for kernel

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Main Vulnerability Database SB2017021630

SB2017021630 - Fedora 25 update for kernel

Published: February 16, 2017 Updated: April 24, 2025

Security Bulletin ID SB2017021630
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Null pointer dereference (CVE-ID: CVE-2017-5970)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to null pointer dereference error within the ipv4_pktinfo_prepare() function in net/ipv4/ip_sockglue.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.


2) Information exposure (CVE-ID: CVE-2017-5967)

The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to information exposure error within the __queue_delayed_work() function in kernel/workqueue.c, within the copyright() function in kernel/time/timer_stats.c, within the print_timer() function in kernel/time/timer_list.c, within the internal_add_timer(), do_init_timer(), __mod_timer(), add_timer_on(), del_timer(), try_to_del_timer_sync(), expire_timers() and init_timer_cpus() functions in kernel/time/timer.c, within the hrtimers_resume(), remove_hrtimer(), hrtimer_start_range_ns(), __hrtimer_init() and __run_hrtimer() functions in kernel/time/hrtimer.c, within the __kthread_queue_delayed_work() function in kernel/kthread.c. A local non-authenticated attacker can gain access to sensitive information.


Remediation

Install update from vendor's website.

References