kernel: recv{from,msg}() on an rds socket can leak kernel memory
Published Oct 3, 2012
2.1
LOWCVSS 2.0
EPSS 0.95%
Description
The rds_recvmsg function in net/rds/recv.c in the Linux kernel before 3.0.44 does not initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a (1) recvfrom or (2) recvmsg system call on an RDS socket.
Affected products
No data.
- ≤ 3.0.43
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
- 3.0.7
- 3.0.8
- 3.0.9
- 3.0.10
- 3.0.11
- 3.0.12
- 3.0.13
- 3.0.14
- 3.0.15
- 3.0.16
- 3.0.17
- 3.0.18
- 3.0.19
- 3.0.20
- 3.0.21
- 3.0.22
- 3.0.23
- 3.0.24
- 3.0.25
- 3.0.26
- 3.0.27
- 3.0.28
- 3.0.29
- 3.0.30
- 3.0.31
- 3.0.32
- 3.0.33
- 3.0.34
- 3.0.35
- 3.0.36
- 3.0.37
- 3.0.38
- 3.0.39
- 3.0.40
- 3.0.41
- 3.0.42
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-308.16.1.el5
Fixed · RHSA-2012:1323
Red Hat Enterprise Linux 6
kernel-0:2.6.32-279.9.1.el6
Fixed · RHSA-2012:1304
Red Hat Enterprise MRG 2
kernel-rt-0:3.2.33-rt50.66.el6rt
Fixed · RHSA-2012:1491
Red Hat Enterprise Linux 4
kernel
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-308.16.1.el5 | Fixed | RHSA-2012:1323 |
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-279.9.1.el6 | Fixed | RHSA-2012:1304 |
| Red Hat Enterprise MRG 2 | kernel-rt-0:3.2.33-rt50.66.el6rt | Fixed | RHSA-2012:1491 |
| Red Hat Enterprise Linux 4 | kernel | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
The Red Hat Security Response Team has rated this issue as having low security impact. A future kernel updates may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
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: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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.95% (0.00952) | 59.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.95% (0.00952) | 56.53th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.19% (0.00186) | 38.17th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 12.25th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.04% (0.00044) | 10.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.22% (0.03220) | 84.21th | v2 (v2022.01.01) |
| Dec 18, 2022 | 3.22% (0.03220) | 83.84th | v2 (v2022.01.01) |
| Sep 16, 2022 | 3.52% (0.03516) | 84.16th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.53% (0.03534) | 83.33th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.53% (0.03534) | 66.49th | v2 (v2022.01.01) |
References (21)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=06b6a1cf6e776426766298d055bb3991957d90a7 x_refsource_CONFIRM
- http://rhn.redhat.com/errata/RHSA-2012-1323.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/50633 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/50732 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/50811 third-party-advisoryx_refsource_SECUNIA
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.0.44 x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2012/07/26/5 mailing-listx_refsource_MLIST
- http://www.ubuntu.com/usn/USN-1567-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1568-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1572-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1575-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1577-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1578-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1579-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1580-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2012-3430 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=820039 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/06b6a1cf6e776426766298d055bb3991957d90a7 x_refsource_CONFIRMExploit
- https://nvd.nist.gov/vuln/detail/CVE-2012-3430
- https://www.cve.org/CVERecord?id=CVE-2012-3430
- https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html vendor-advisoryx_refsource_SUSE
Change history (0)
No recorded changes yet.