The pfs_getextattr function in FreeBSD 7.x before 7.3-RELEASE and 8.x before 8.0-RC1 unlocks a mutex that was not previously locked, which allows local users to cause a denial of service (kernel panic), overwrite arbitrary memory locations, and possibly execute arbitrary code via vectors related to opening a file on a file system that uses pseudofs
Published Nov 20, 2010
7.8
HIGHCVSS 3.1
EPSS 1.13%
Description
The pfs_getextattr function in FreeBSD 7.x before 7.3-RELEASE and 8.x before 8.0-RC1 unlocks a mutex that was not previously locked, which allows local users to cause a denial of service (kernel panic), overwrite arbitrary memory locations, and possibly execute arbitrary code via vectors related to opening a file on a file system that uses pseudofs.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.13% (0.01133) | 65.26th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.13% (0.01133) | 62.15th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.30% (0.00297) | 50.98th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00133) | 50.05th | v3 (v2023.03.01) |
| Jul 13, 2024 | 0.13% (0.00133) | 48.89th | v3 (v2023.03.01) |
| May 31, 2024 | 0.18% (0.00181) | 55.23th | v3 (v2023.03.01) |
| Feb 16, 2024 | 0.20% (0.00203) | 57.38th | v3 (v2023.03.01) |
| Aug 30, 2023 | 0.05% (0.00050) | 16.33th | v3 (v2023.03.01) |
| Jul 11, 2023 | 0.05% (0.00052) | 18.46th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00061) | 23.77th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.14% (0.02140) | 80.06th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.14% (0.02140) | 78.13th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.14% (0.02140) | 56.90th | v2 (v2022.01.01) |
References (6)
- http://secunia.com/advisories/42200 third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory
- http://security.FreeBSD.org/advisories/FreeBSD-SA-10:09.pseudofs.asc vendor-advisoryx_refsource_FREEBSDVendor Advisory
- http://www.securitytracker.com/id?1024724 vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry
- http://www.vupen.com/english/advisories/2010/2956 vdb-entryx_refsource_VUPENBroken LinkVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/63218 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/15206/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/42200 | third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory | |
| http://security.FreeBSD.org/advisories/FreeBSD-SA-10:09.pseudofs.asc | vendor-advisoryx_refsource_FREEBSDVendor Advisory | |
| http://www.securitytracker.com/id?1024724 | vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry | |
| http://www.vupen.com/english/advisories/2010/2956 | vdb-entryx_refsource_VUPENBroken LinkVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/63218 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry | |
| https://www.exploit-db.com/exploits/15206/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.