ar_context_release · firewire: ohci: fix NULL pointer dereference
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in ed5470771c7ed7f959230c4697f316af83426a90 : update Microsoft when convenient.
Data as of 7 Nov 2026, 12:20 UTC
Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD
- Patch
- Available – fixed in ed5470771c7ed7f959230c4697f316af83426a90, ca2fa74f3200ced6e0a940753ad99844c42ad7c8, 3770a4794a14331c8ca6a674e49c021827521c2c +2
Exploitation evidence
Disclosed: evidence found.
CVE published 26 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 7 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in– |
Description
A NULL pointer dereference vulnerability exists in the FireWire OHCI driver component (ar_context_release) in Microsoft software version 3.0. This flaw can cause a denial of service or system crash due to improper handling of NULL pointers.