In the Linux kernel, the following vulnerability has been resolved: namespace: refuse an automount below a mount that is in no namespace It's…
In the Linux kernel, the following vulnerability has been resolved: namespace: refuse an automount below a mount that is in no namespace It's possible to add autmounts even when the parent mount isn't in the mount namespace of the caller. The only requirement we have is that the parent mount namespace must not be NULL, i.e., unmounted. Problem is that clone_private_mount() has MNT_NS_INTERNAL which makes that trivially true. So that passes the test and attach_recursive_mnt() accepts that as a mount point and funny enough, count_mounts() dereferences MNT_NS_INTERNAL. The problem is it is an
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Cisco
- Product
- asa
- Fix
- available
- Exposure class
- Operating system, Edge / VPN / firewall
Why it ranks 23 (Routine)
- Exposed product class: edge / VPN / firewall
- Widely deployed vendor product (Cisco)
- Fix available
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-98979 on this site · NVD · CVE.org · Vulnpedia
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