kernel: keyrings: find_keyring_by_name() can gain the freed keyring
Published May 7, 2010
7.0
HIGHCVSS 3.1
EPSS 0.66%
Description
Race condition in the find_keyring_by_name function in security/keys/keyring.c in the Linux kernel 2.6.34-rc5 and earlier allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via keyctl session commands that trigger access to a dead keyring that is undergoing deletion by the key_cleanup function.
Affected products
No data.
Configuration 1
- < 2.6.34
- 2.6.34
- 2.6.34
- 2.6.34
- 2.6.34
- 2.6.34
Configuration 2
- 11.1
- 11
- 11
- 11
Configuration 3
- 5.0
No data.
MRG for RHEL-5
kernel-rt-0:2.6.24.7-161.el5rt
Fixed · RHSA-2010:0631
Red Hat Enterprise Linux 4
kernel-0:2.6.9-89.0.26.EL
Fixed · RHSA-2010:0474
Red Hat Enterprise Linux 5
kernel-0:2.6.18-194.8.1.el5
Fixed · RHSA-2010:0504
| Product | Package | State | Advisory |
|---|---|---|---|
| MRG for RHEL-5 | kernel-rt-0:2.6.24.7-161.el5rt | Fixed | RHSA-2010:0631 |
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-89.0.26.EL | Fixed | RHSA-2010:0474 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-194.8.1.el5 | Fixed | RHSA-2010:0504 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 3. Future kernel updates in Red Hat Enterprise Linux 4, 5 and Red Hat Enterprise MRG will address this issue.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:P/I:P/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 2, 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 2, 2026 | 0.66% (0.00658) | 49.70th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.66% (0.00658) | 46.46th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.28% (0.00276) | 49.03th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.11th | v3 (v2023.03.01) |
| Feb 3, 2024 | 0.04% (0.00042) | 5.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 0.50th | 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 (24)
- http://lists.opensuse.org/opensuse-security-announce/2010-07/msg00006.html vendor-advisoryx_refsource_SUSEMailing List
- http://marc.info/?l=linux-kernel&m=127192182917857&w=2 mailing-listx_refsource_MLISTExploitMailing List
- http://marc.info/?l=linux-kernel&m=127274294622730&w=2 mailing-listx_refsource_MLISTExploitMailing List
- http://marc.info/?l=linux-kernel&m=127292492727029&w=2 mailing-listx_refsource_MLISTMailing List
- http://secunia.com/advisories/39830 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/40218 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/40645 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/43315 third-party-advisoryx_refsource_SECUNIABroken Link
- http://www.debian.org/security/2010/dsa-2053 vendor-advisoryx_refsource_DEBIANMailing List
- http://www.openwall.com/lists/oss-security/2010/04/27/2 mailing-listx_refsource_MLISTMailing List
- http://www.openwall.com/lists/oss-security/2010/04/28/2 mailing-listx_refsource_MLISTMailing List
- http://www.redhat.com/support/errata/RHSA-2010-0474.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.securityfocus.com/archive/1/516397/100/0/threaded mailing-listx_refsource_BUGTRAQBroken LinkThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/39719 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- http://www.vmware.com/security/advisories/VMSA-2011-0003.html x_refsource_CONFIRMThird Party Advisory
- http://www.vupen.com/english/advisories/2010/1857 vdb-entryx_refsource_VUPENBroken Link
- https://access.redhat.com/security/cve/CVE-2010-1437 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=585094 x_refsource_CONFIRMExploitIssue TrackingPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/58254 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2010-1437
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9715 vdb-entrysignaturex_refsource_OVALBroken Link
- https://patchwork.kernel.org/patch/94038/ x_refsource_CONFIRMBroken Link
- https://patchwork.kernel.org/patch/94664/ x_refsource_CONFIRMBroken LinkPatch
- https://www.cve.org/CVERecord?id=CVE-2010-1437
Change history (0)
No recorded changes yet.