Kernel: crypto: algif - suppress sending source address information in recvmsg
Published Apr 22, 2013
4.9
MEDIUMCVSS 2.0
EPSS 0.35%
Description
The crypto API in the Linux kernel through 3.9-rc8 does not initialize certain length variables, which allows local users to obtain sensitive information from kernel stack memory via a crafted recvmsg or recvfrom system call, related to the hash_recvmsg function in crypto/algif_hash.c and the skcipher_recvmsg function in crypto/algif_skcipher.c.
Affected products
No data.
- ≤ 3.9
- 3.9
- 3.9
- 3.9
- 3.9
- 3.9
- 3.9
No data.
Red Hat Enterprise MRG 2
kernel-rt-0:3.6.11.2-rt33.39.el6rt
Fixed · RHSA-2013:0829
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise MRG 2 | kernel-rt-0:3.6.11.2-rt33.39.el6rt | Fixed | RHSA-2013:0829 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6. This issue affects the version of the kernel package as shipped with Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise MRG 2 may address this issue.
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:C/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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.35% (0.00354) | 26.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.35% (0.00354) | 27.08th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00084) | 22.23th | 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 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (11)
- http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103750.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104480.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00016.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html vendor-advisoryx_refsource_SUSE
- http://www.openwall.com/lists/oss-security/2013/04/14/3 mailing-listx_refsource_MLIST
- http://www.ubuntu.com/usn/USN-1837-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2013-3076 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=956162 Issue Tracking
- https://github.com/torvalds/linux/commit/72a763d805a48ac8c0bf48fdb510e84c12de51fe x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2013-3076
- https://www.cve.org/CVERecord?id=CVE-2013-3076
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103750.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104480.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00016.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html | vendor-advisoryx_refsource_SUSE | |
| http://www.openwall.com/lists/oss-security/2013/04/14/3 | mailing-listx_refsource_MLIST | |
| http://www.ubuntu.com/usn/USN-1837-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2013-3076 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=956162 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/72a763d805a48ac8c0bf48fdb510e84c12de51fe | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-3076 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-3076 |
Change history (0)
No recorded changes yet.