CVE-2015-8961
The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows...
The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging improper access to a certain error field.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.8
The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging improper access to a certain error field.
- Record
CVE-2015-8961- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List No score
The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging improper access to a certain error field.
- Record
CVE-2015-8961- Updated
- 2026-11-02
EUVDEUVD-2015-8817 No score
The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging improper access to a certain error field.
- Record
EUVD-2015-8817- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-66r4-mrh6-vw83
7.8
The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows...
The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging improper access to a certain error field.
- Record
GHSA-66r4-mrh6-vw83- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
OSV
7.8
The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging improper access to a certain error field.
- Record
CVE-2015-8961- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2015-8961
7.8
The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging improper access to a certain error field.
- Record
DEBIAN-CVE-2015-8961- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2015-8961
7.8
The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging improper access to a certain error field.
- Record
UBUNTU-CVE-2015-8961- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
linuxDebian:12 |
before 4.3.3-1 | 4.3.3-1 |
linuxDebian:13 |
before 4.3.3-1 | 4.3.3-1 |
linuxDebian:14 |
before 4.3.3-1 | 4.3.3-1 |
linuxUbuntu:14.04:LTS |
before 3.13.0-77.121, plus listed versions 3.11.0-12.193.12.0-1.33.12.0-2.53.12.0-2.73.12.0-3.8 Show 45 moreShow less3.12.0-3.93.12.0-4.103.12.0-4.123.12.0-5.133.12.0-7.153.13.0-1.163.13.0-2.173.13.0-3.183.13.0-4.193.13.0-5.203.13.0-6.233.13.0-7.253.13.0-7.263.13.0-8.273.13.0-8.283.13.0-10.303.13.0-11.313.13.0-12.323.13.0-13.333.13.0-14.343.13.0-15.353.13.0-16.363.13.0-17.373.13.0-18.383.13.0-19.393.13.0-19.403.13.0-20.423.13.0-21.433.13.0-22.443.13.0-23.453.13.0-24.463.13.0-24.473.13.0-27.503.13.0-29.533.13.0-30.543.13.0-30.553.13.0-32.573.13.0-33.583.13.0-34.603.13.0-35.623.13.0-36.633.13.0-37.643.13.0-39.663.13.0-40.693.13.0-41.70 |
3.13.0-77.121 |
linux-lts-vividUbuntu:14.04:LTS |
before 3.19.0-49.55~14.04.1, plus listed versions 3.19.0-18.18~14.04.13.19.0-20.20~14.04.13.19.0-21.21~14.04.13.19.0-22.22~14.04.13.19.0-23.24~14.04.1 Show 14 moreShow less3.19.0-25.26~14.04.13.19.0-26.28~14.04.13.19.0-28.30~14.04.13.19.0-30.33~14.04.13.19.0-30.34~14.04.13.19.0-31.36~14.04.13.19.0-32.37~14.04.13.19.0-33.38~14.04.13.19.0-37.42~14.04.13.19.0-39.44~14.04.13.19.0-41.46~14.04.23.19.0-42.48~14.04.13.19.0-43.49~14.04.13.19.0-47.53~14.04.1 |
3.19.0-49.55~14.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-8961 is a high vulnerability (CVSS 7.8) in Linux Kernel, published November 16, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.00%, the 80th percentile. Fixed in linux 4.3.3-1.
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit?id=6934da9238da947628be83635e365df41064b09b
kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3
github.com/torvalds/linux/commit/6934da9238da947628be83635e365df41064b09b
source.android.com/security/bulletin/2016-11-01.html
securityfocus.com/bid/94135
nvd.nist.gov/vuln/detail/CVE-2015-8961
Left out here: 34 versions. The JSON record has them.