acpid: blocked writes can lead to acpid daemon hang
Published Oct 5, 2011
2.1
LOWCVSS 2.0
EPSS 1.09%
Description
acpid.c in acpid before 2.0.9 does not properly handle a situation in which a process has connected to acpid.socket but is not reading any data, which allows local users to cause a denial of service (daemon hang) via a crafted application that performs a connect system call but no read system calls.
Affected products
No data.
- ≤ 2.0.8
- 1.0.8
- 1.0.10
- 2.0.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.0.5
- 2.0.7
- 2.06
No data.
Red Hat Enterprise Linux 4
acpid
Will not fix
Red Hat Enterprise Linux 5
acpid
Will not fix
Red Hat Enterprise Linux 6
acpid
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | acpid | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | acpid | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | acpid | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:N/A:P
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.09% (0.01095) | 64.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.09% (0.01095) | 61.10th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.12% (0.00116) | 27.94th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00043) | 11.52th | v3 (v2023.03.01) |
| Jun 27, 2024 | 0.04% (0.00045) | 16.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00046) | 14.08th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.22% (0.03220) | 84.21th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.22% (0.03220) | 82.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.22% (0.03220) | 65.30th | v2 (v2022.01.01) |
References (12)
- http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059880.html vendor-advisoryx_refsource_FEDORAPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060053.html vendor-advisoryx_refsource_FEDORAPatch
- http://secunia.com/advisories/42947 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/44621 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.openwall.com/lists/oss-security/2011/01/19/4 mailing-listx_refsource_MLISTExploitPatch
- http://www.openwall.com/lists/oss-security/2011/03/15/12 mailing-listx_refsource_MLISTExploitPatch
- http://www.openwall.com/lists/oss-security/2011/03/15/7 mailing-listx_refsource_MLISTExploitPatch
- http://www.securityfocus.com/bid/45915 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2011-1159 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=688698 x_refsource_CONFIRMPatchIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-1159
- https://www.cve.org/CVERecord?id=CVE-2011-1159
Change history (0)
No recorded changes yet.