kernel: panic occurs when clock_gettime() is called
Published Oct 3, 2012
4.9
MEDIUMCVSS 2.0
EPSS 0.48%
Description
The div_long_long_rem implementation in include/asm-x86/div64.h in the Linux kernel before 2.6.26 on the x86 platform allows local users to cause a denial of service (Divide Error Fault and panic) via a clock_gettime system call.
Affected products
No data.
- ≤ 2.6.25.20
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-274.7.1.el5
Fixed · RHSA-2011:1386
Red Hat Enterprise Linux 5.3 Long Life
kernel-0:2.6.18-128.36.1.el5
Fixed · RHSA-2011:1418
Red Hat Enterprise Linux 5.6 EUS - Server Only
kernel-0:2.6.18-238.28.1.el5
Fixed · RHSA-2011:1419
Red Hat Enterprise Linux 4
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-274.7.1.el5 | Fixed | RHSA-2011:1386 |
| Red Hat Enterprise Linux 5.3 Long Life | kernel-0:2.6.18-128.36.1.el5 | Fixed | RHSA-2011:1418 |
| Red Hat Enterprise Linux 5.6 EUS - Server Only | kernel-0:2.6.18-238.28.1.el5 | Fixed | RHSA-2011:1419 |
| Red Hat Enterprise Linux 4 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the Linux kernels as shipped with Red Hat Enterprise Linux 4, 6, and Red Hat Enterprise MRG, as they either do not have the sample_to_timespec() function, or have already backported upstream commit f8bd2258, which addresses this issue. It was addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2011-1386.html.
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: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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.48% (0.00481) | 39.23th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.48% (0.00481) | 37.54th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.17% (0.00168) | 35.39th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 13, 2023 | 0.95% (0.00950) | 31.86th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.28% (0.01282) | 67.60th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (8)
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.26 x_refsource_CONFIRM
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f8bd2258e2d520dff28c855658bd24bdafb5102d x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2011/10/24/3 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2011-3209 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=732878 x_refsource_CONFIRMExploitIssue Tracking
- https://github.com/torvalds/linux/commit/f8bd2258e2d520dff28c855658bd24bdafb5102d x_refsource_CONFIRMExploit
- https://nvd.nist.gov/vuln/detail/CVE-2011-3209
- https://www.cve.org/CVERecord?id=CVE-2011-3209
| Link | Providers | Tags |
|---|---|---|
| http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.26 | x_refsource_CONFIRM | |
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f8bd2258e2d520dff28c855658bd24bdafb5102d | x_refsource_CONFIRM | |
| http://www.openwall.com/lists/oss-security/2011/10/24/3 | mailing-listx_refsource_MLIST | |
| https://access.redhat.com/security/cve/CVE-2011-3209 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=732878 | x_refsource_CONFIRMExploitIssue Tracking | |
| https://github.com/torvalds/linux/commit/f8bd2258e2d520dff28c855658bd24bdafb5102d | x_refsource_CONFIRMExploit | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-3209 | ||
| https://www.cve.org/CVERecord?id=CVE-2011-3209 |
Change history (0)
No recorded changes yet.