CVE-2026-98162smb/server: fix tree connection leak in smb2_tree_connect()
- 5.5MediumCVSS base score
- 0.11%Exploitation in 30 daysEPSS · top 98% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: smb/server: fix tree connection leak in smb2_tree_connect() See the procedure below: smb2_tree_connect ksmbd_tree_conn_connect xa_store(&sess->tree_conns, tree_conn->id, tree_conn) ksmbd_counter_inc(KSMBD_COUNTER_TREE_CONNS) ksmbd_share_tree_conn_inc(sc) ksmbd_iov_pin_rsp // fail status.ret = KSMBD_TREE_CONN_STATUS_NOMEM // do not disconnect tree_conn Disconnect the new tree connection if ksmbd_iov_pin_rsp() fails.
Timeline
ID reserved
By Linux
Published
- 26 days later
· 26 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.11% · top 98% of all CVEs (14 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d – < fa0c45986fc60b3edfb35879f2fb0eacc0e49e98
- affected e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d – < fea9c705bbc618ba6426424c9f8330555820c9ec
- affected e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d – < a6c88e5e3a75f1e4a98ad4bc4037465ccd7925bc
- affected e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d – < 39f2032096715daae5f6fd0f587ca7a474b019df
- affected f2283680a80571ca82d710bc6ecd8f8beac67d63
- affected 9f297df20d93411c0b4ddad7f88ba04a7cd36e77
- affected 5.15.145 – < 5.16
- affected 6.1.71 – < 6.2
- affected 6.6
- unaffected < 6.6
- unaffected 6.6.160 – ≤ 6.6.*
- unaffected 6.18.57 – ≤ 6.18.*
- unaffected 7.2.6 – ≤ 7.2.*
- unaffected 7.3 – ≤ *
References
References4
- https://git.kernel.org/stable/c/fa0c45986fc60b3edfb35879f2fb0eacc0e49e98 (opens in a new tab)
- https://git.kernel.org/stable/c/fea9c705bbc618ba6426424c9f8330555820c9ec (opens in a new tab)
- https://git.kernel.org/stable/c/a6c88e5e3a75f1e4a98ad4bc4037465ccd7925bc (opens in a new tab)
- https://git.kernel.org/stable/c/39f2032096715daae5f6fd0f587ca7a474b019df (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-87062 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-98162)Record last updated .