net/iucv: fix use-after-free of a severed iucv_path

Mariner

Read the vendor bulletin Get alerts for azl3 kernel 6.6.143.1-1 on Azure Linux

9.8CVSS out of 10Critical severity

Scope

What the vendor says is affected

azl3 kernel 6.6.143.1-1 on Azure Linux 3.0

Versions the vendor lists as fixed

6.6.150.1-1

Next step

What the vendor recommends

CBL-Mariner Releases

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Update history

What changed in later vendor updates

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Aug 21, 2026 at 7:10 AM UTC
- Added fixed versions: 6.6.150.1-1.
- The vendor changed its remediation guidance.

Timeline

When this advisory changed

Aug 11, 2026 at 1:14 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Aug 14, 2026 at 7:50 PM UTC
Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
Aug 20, 2026 at 6:50 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Sep 6, 2026 at 6:25 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-68140View CVSS, KEV, EPSS, and threat context

Source

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Vendor: Microsoft Security Response Center
Advisory ID: CVE-2026-68140
Last source check: Sep 14, 2026 at 3:00 AM UTC

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Your environment

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Watch azl3 kernel 6.6.143.1-1 on Azure Linux

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What the vendor says is affected

Versions the vendor lists as fixed

What the vendor recommends

What changed in later vendor updates

When this advisory changed

CVEs named in this advisory

Related advisories from Microsoft Security Response Center

undici vulnerable to Denial of Service via orphaned RetryHandler response body

PCRE2 before 10.48 has a pcre2_match out-of-bounds read after a JIT fallback when an attacker can provide invalid UTF data.

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.

PCRE2 before 10.48 has a pcre2_match out-of-bounds read during the PCRE2_MATCH_INVALID_UTF matching of an invalid UTF subject.

In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.