Bug 1759188 (CVE-2018-21008) - CVE-2018-21008 kernel: use-after-free can be caused by the function rsi_mac80211_detach in the file drivers/net/wireless/rsi/rsi_91x_mac80211.c
Summary: CVE-2018-21008 kernel: use-after-free can be caused by the function rsi_mac80...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2018-21008
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1759189
Blocks: 1759190
TreeView+ depends on / blocked
 
Reported: 2019-10-07 14:53 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-02-16 21:18 UTC (History)
47 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A use-after-free flaw was found in the Linux kernel's Redpine Signals driver implementation. A local attacker who is able force a module load (rsi_sdio) or usb plug/unplug could cause a system crash or memory corruption leading to privilege escalation. The highest threat from this vulnerability is to system availability.
Clone Of:
Environment:
Last Closed: 2019-12-03 07:04:49 UTC


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Description Guilherme de Almeida Suckevicz 2019-10-07 14:53:47 UTC
 
An use-after-free flaw was discovered in the Linux kernels 80211 detach function in the Redpine Signals Inc driver implementation.  A local attacker who is able force a module load (rsi_sdio) or usb plug/unplug could possible cause a system crash or possible memory corruption leading to privilege escalation.

References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=abd39c6ded9db53aa44c2540092bdd5fb6590fa8
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.7

Comment 1 Guilherme de Almeida Suckevicz 2019-10-07 14:54:05 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1759189]

Comment 2 Justin M. Forbes 2019-10-07 15:36:58 UTC
This was fixed for Fedora with the 4.16.7 stable update.

Comment 5 Product Security DevOps Team 2019-12-03 07:04:49 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-21008

Comment 6 Eric Christensen 2020-05-04 17:52:32 UTC
External References:

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.7


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