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CVE-2021-47320
nfs: fix acl memory leak of posix_acl_create()
Medium5.5EPSS 0.26%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: nfs: fix acl memory leak of posix_acl_create() When looking into another nfs xfstests report, I found acl and default_acl in nfs3_proc_create() and nfs3_proc_mknod() error paths are possibly leaked. Fix them in advance.
Timeline
ID reserved
By Linux
Published
- 24 months later
· 24 months 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 · Analyzed | 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)
- 0.26% · top 82% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected 013cdf1088d7235da9477a2375654921d9b9ba9f – < 2e3960f276b4574a9bb0dfa31a7497302f6363b2
- affected 013cdf1088d7235da9477a2375654921d9b9ba9f – < cef9d9acb7c80ed6bace894b6334557fd493863b
- affected 013cdf1088d7235da9477a2375654921d9b9ba9f – < 8a2b308a54c5ec224fedc753617f99b29ffcd883
- affected 013cdf1088d7235da9477a2375654921d9b9ba9f – < 0704f617040c397ae73c1f88f3956787ec5d6529
- affected 013cdf1088d7235da9477a2375654921d9b9ba9f – < d0b32dc1409f7e65e4fcc34e236462268e69a357
- affected 013cdf1088d7235da9477a2375654921d9b9ba9f – < 4b515308ab875c7e8ada8e606fe0c64762da5ed4
- affected 013cdf1088d7235da9477a2375654921d9b9ba9f – < c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38
- affected 013cdf1088d7235da9477a2375654921d9b9ba9f – < 687cf32865b2d6960214bce523f2afac58dd3cd2
- affected 013cdf1088d7235da9477a2375654921d9b9ba9f – < 1fcb6fcd74a222d9ead54d405842fc763bb86262
- affected 3.14
- unaffected < 3.14
- unaffected 4.4.276 – ≤ 4.4.*
- unaffected 4.9.276 – ≤ 4.9.*
- unaffected 4.14.240 – ≤ 4.14.*
- unaffected 4.19.198 – ≤ 4.19.*
- unaffected 5.4.134 – ≤ 5.4.*
- unaffected 5.10.52 – ≤ 5.10.*
- unaffected 5.12.19 – ≤ 5.12.*
- unaffected 5.13.4 – ≤ 5.13.*
- unaffected 5.14 – ≤ *
References (9)
- https://git.kernel.org/stable/c/2e3960f276b4574a9bb0dfa31a7497302f6363b2 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/cef9d9acb7c80ed6bace894b6334557fd493863b (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/8a2b308a54c5ec224fedc753617f99b29ffcd883 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/0704f617040c397ae73c1f88f3956787ec5d6529 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/d0b32dc1409f7e65e4fcc34e236462268e69a357 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/4b515308ab875c7e8ada8e606fe0c64762da5ed4 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/687cf32865b2d6960214bce523f2afac58dd3cd2 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/1fcb6fcd74a222d9ead54d405842fc763bb86262 (opens in a new tab)x_transferred
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)
- 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://trackcve.app/cve/CVE-2021-47320)Record last updated .