kernel: drivers/serial/serial_core.c: reading uninitialized stack memory
Published Nov 29, 2010
1.9
LOWCVSS 2.0
EPSS 0.39%
Description
The uart_get_count function in drivers/serial/serial_core.c in the Linux kernel before 2.6.37-rc1 does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.
Affected products
No data.
- < 2.6.37
No data.
MRG for RHEL-5
kernel-rt-0:2.6.33.7-rt29.47.el5rt
Fixed · RHSA-2010:0958
Red Hat Enterprise Linux 4
kernel-0:2.6.9-89.35.1.EL
Fixed · RHSA-2011:0162
Red Hat Enterprise Linux 5
kernel-0:2.6.18-238.el5
Fixed · RHSA-2011:0017
Red Hat Enterprise Linux 6
kernel-0:2.6.32-71.14.1.el6
Fixed · RHSA-2011:0007
| Product | Package | State | Advisory |
|---|---|---|---|
| MRG for RHEL-5 | kernel-rt-0:2.6.33.7-rt29.47.el5rt | Fixed | RHSA-2010:0958 |
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-89.35.1.EL | Fixed | RHSA-2011:0162 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-238.el5 | Fixed | RHSA-2011:0017 |
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-71.14.1.el6 | Fixed | RHSA-2011:0007 |
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 as it did not include the affected functionality.
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:M/Au:N/C:P/I:N/A:N
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.39% (0.00387) | 30.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00387) | 30.26th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00087) | 22.75th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
References (23)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d281da7ff6f70efca0553c288bb883e8605b3862 x_refsource_CONFIRM
- http://lkml.indiana.edu/hypermail//linux/kernel/1009.1/03388.html mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://secunia.com/advisories/42884 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/42890 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/42963 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/46397 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc1 x_refsource_CONFIRMBroken LinkThird Party Advisory
- http://www.openwall.com/lists/oss-security/2010/09/25/2 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2010/10/06/6 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2010/10/07/1 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2010/10/25/3 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0958.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2011-0007.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2011-0017.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2011-0162.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.securityfocus.com/archive/1/520102/100/0/threaded mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/43806 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html x_refsource_CONFIRMThird Party Advisory
- http://www.vupen.com/english/advisories/2011/0168 vdb-entryx_refsource_VUPENThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2010-4075 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=648660 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2010-4075
- https://www.cve.org/CVERecord?id=CVE-2010-4075
Change history (0)
No recorded changes yet.