CVE-2015-1573
What it is
The nft_flush_table function in net/netfilter/nf_tables_api.c in the Linux kernel before 3.18.5 mishandles the interaction between cross-chain jumps and ruleset flushes, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-19
- Record status
- Modified
Affected
- Linux Kernel ≤ 3.18.4
Attack profile CVSS 3.0 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2015-1573.md and follow it. Check whether this project is affected by CVE-2015-1573. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2f18db0c68fec96631c10cad9384c196e9008ac
- https://github.com/torvalds/linux/commit/a2f18db0c68fec96631c10cad9384c196e9008ac
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2f18db0c68fec96631c10cad9384c196e9008ac
- https://github.com/torvalds/linux/commit/a2f18db0c68fec96631c10cad9384c196e9008ac
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2f18db0c68fec96631c10cad9384c196e9008ac
- http://rhn.redhat.com/errata/RHSA-2015-1137.html
- http://rhn.redhat.com/errata/RHSA-2015-1138.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5
- http://www.openwall.com/lists/oss-security/2015/02/10/13
- http://www.securityfocus.com/bid/72552
- https://bugzilla.redhat.com/show_bug.cgi?id=1190966
- https://github.com/torvalds/linux/commit/a2f18db0c68fec96631c10cad9384c196e9008ac
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2f18db0c68fec96631c10cad9384c196e9008ac
- http://rhn.redhat.com/errata/RHSA-2015-1137.html
- http://rhn.redhat.com/errata/RHSA-2015-1138.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5
- http://www.openwall.com/lists/oss-security/2015/02/10/13
- http://www.securityfocus.com/bid/72552
- https://bugzilla.redhat.com/show_bug.cgi?id=1190966
- https://github.com/torvalds/linux/commit/a2f18db0c68fec96631c10cad9384c196e9008ac