CVE-2026-104115 (GCVE-0-2026-104115)

Vulnerability from cvelistv5 – Published: 2026-10-09 14:24 – Updated: 2026-10-09 14:24
VLAI
Title
Stack buffer overflow in illumos reparsed nfs-basic plugin allows local users to crash the daemon
Summary
A stack-based buffer overflow in the illumos reparse point daemon (reparsed) allows a local user to crash the daemon. get_fs_locations() in usr/src/cmd/fs.d/nfs/rp_basic/libnfs_basic.c, part of the nfs-basic reparse plugin, copies the host and path components of a reparse string into a fixed 1024-byte stack buffer without checking their length. The reparsed door at /var/run/reparsed_door is readable by all users and the door server does not check the caller's credentials, so an unprivileged local user can send an nfs-basic request with an overlong host or path component to overflow the buffer. On systems built with stack protection, which is the default, this causes reparsed to abort; repeated requests place the svc:/system/filesystem/reparse service into maintenance. The service is disabled by default. The flaw has existed since 2009 (illumos-gate commit 2f172c55), and affects any illumos distribution prior to illumos-gate commit 6a2df4aa.
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
illumos CNA under the redhat root
CNA scorecard – unranked: 9 records in the last 180 days, 10 needed details
Impacted products
Vendor Product Version CPE status
illumos illumos-gate Affected: 2f172c55ef76964744bc62b4500ece87f3089b4d , < 6a2df4aa5381599179ab6afb3165db81960dee35 (git)
guessed Create a notification for this product.
OmniOS OmniOS Affected: any , < r151054 (custom)
Affected: r151058 , < r151058w (custom)
Affected: r151056 , < r151056aw (custom)
Affected: r151054 , < r151054bw (custom)
guessed Create a notification for this product.
Show details on NVD website

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              "value": "A stack-based buffer overflow in the illumos reparse point daemon (reparsed) allows a local user to crash the daemon. get_fs_locations() in usr/src/cmd/fs.d/nfs/rp_basic/libnfs_basic.c, part of the nfs-basic reparse plugin, copies the host and path components of a reparse string into a fixed 1024-byte stack buffer without checking their length. The reparsed door at /var/run/reparsed_door is readable by all users and the door server does not check the caller\u0027s credentials, so an unprivileged local user can send an nfs-basic request with an overlong host or path component to overflow the buffer. On systems built with stack protection, which is the default, this causes reparsed to abort; repeated requests place the svc:/system/filesystem/reparse service into maintenance. The service is disabled by default. The flaw has existed since 2009 (illumos-gate commit 2f172c55), and affects any illumos distribution prior to illumos-gate commit 6a2df4aa."
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}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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