kernel: Use-after-free in snd_pcm_info function in ALSA subsystem potentially leads to privilege escalation
Published Nov 16, 2017
7.8
HIGHCVSS 3.0
EPSS 0.43%
Description
Use-after-free vulnerability in the snd_pcm_info function in the ALSA subsystem in the Linux kernel allows attackers to gain privileges via unspecified vectors.
Affected products
-
- Version Android kernelStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Google Inc. | Android | n/a |
|
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-754.3.5.el6
Fixed · RHSA-2018:2390
Red Hat Enterprise Linux 7
kernel-0:3.10.0-957.el7
Fixed · RHSA-2018:3083
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-957.rt56.910.el7
Fixed · RHSA-2018:3096
Red Hat Enterprise Linux 7.5 Extended Update Support
kernel-0:3.10.0-862.46.1.el7
Fixed · RHSA-2020:0036
Red Hat Enterprise Linux 5
kernel
Will not fix
Red Hat Enterprise Linux 7
kernel-alt
Affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-754.3.5.el6 | Fixed | RHSA-2018:2390 |
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-957.el7 | Fixed | RHSA-2018:3083 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-957.rt56.910.el7 | Fixed | RHSA-2018:3096 |
| Red Hat Enterprise Linux 7.5 Extended Update Support | kernel-0:3.10.0-862.46.1.el7 | Fixed | RHSA-2020:0036 |
| Red Hat Enterprise Linux 5 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:L/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 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.43% (0.00431) | 35.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.43% (0.00427) | 33.89th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.19% (0.00189) | 37.71th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.86% (0.03856) | 80.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.19% (0.00189) | 38.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00064) | 30.08th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.06% (0.00064) | 28.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00064) | 26.16th | 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) |
| Feb 3, 2022 | 1.97% (0.01970) | 50.09th | v1 |
| Jan 6, 2022 | 1.97% (0.01970) | 49.58th | v1 |
| Sep 1, 2021 | 1.97% (0.01970) | 76.67th | v1 |
| Apr 14, 2021 | 1.97% (0.01970) | 0.00th | v1 |
References (26)
- http://lists.alioth.debian.org/pipermail/secure-testing-commits/2017-December/059967.html mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/102329 vdb-entryx_refsource_BID
- https://access.redhat.com/errata/RHSA-2018:2390 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2018:3083 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2018:3096 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2020:0036 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-0861 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1563994 Issue Tracking
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=362bca57f5d78220f8b5907b875961af9436e229 x_refsource_CONFIRM
- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0 x_refsource_CONFIRM
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2017-0861
- https://security-tracker.debian.org/tracker/CVE-2017-0861 x_refsource_CONFIRM
- https://source.android.com/security/bulletin/pixel/2017-11-01 x_refsource_CONFIRMPatchVendor Advisory
- https://usn.ubuntu.com/3583-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3583-2/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3617-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3617-2/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3617-3/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3619-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3619-2/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3632-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2017-0861
- https://www.debian.org/security/2018/dsa-4187 vendor-advisoryx_refsource_DEBIAN
- https://www.oracle.com/security-alerts/cpujul2020.html x_refsource_MISC
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html x_refsource_MISC
Change history (0)
No recorded changes yet.