Description
The sfc (aka Solarflare Solarstorm) driver in the Linux kernel before 3.2.30 allows remote attackers to cause a denial of service (DMA descriptor consumption and network-controller outage) via crafted TCP packets that trigger a small MSS value.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 3.2.29-1 | — |
| Debian 13 | linux | 3.2.29-1 | — |
| Debian 12 | linux | 3.2.29-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | perf +15 | 2.6.32-279.11.1.el6 | RHSA-2012:1366 |
| RHEL 6 | rhev-hypervisor6 +1 | 6.3-20121012.0.el6_3 | RHSA-2012:1375 |
| RHEL 5 | kernel +12 | 2.6.18-308.16.1.el5 | RHSA-2012:1323 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6.2 EUS | perf +15 | 2.6.32-220.28.1.el6 | RHSA-2012:1401 |
| RHEL 6.1 EUS | perf +14 | 2.6.32-131.35.1.el6 | RHSA-2012:1430 |
| RHEL 5.6 EUS | kernel +12 | 2.6.18-238.45.1.el5 | RHSA-2012:1347 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | kernel-ec2 +8 | 3.0.101-108.90.1 | SUSE-SU-2019:14051-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | kernel-source | 4.8.13-1.1 | openSUSE-SU-2024:10128-1 |
Advisories 8
- RHSA-2012:1430 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:1401 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:1375 Red Hat Security Advisory: rhev-hypervisor6 security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:1366 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:1347 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:1323 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- openSUSE-SU-2024:10128-1 kernel-debug-4.8.13-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:14051-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
References
- USN-1572-1 vendor-advisory
- USN-1579-1 vendor-advisory
- USN-1578-1 vendor-advisory
- 50732 third-party-advisory
- 50811 third-party-advisory
- https://github.com/torvalds/linux/commit/68cb695ccecf949d48949e72f8ce591fdaaa325c
- RHSA-2012:1401 vendor-advisory
- USN-1567-1 vendor-advisory
- openSUSE-SU-2012:1330 vendor-advisory
- RHSA-2012:1323 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=844714
- RHSA-2012:1324 vendor-advisory
- USN-1577-1 vendor-advisory
- SUSE-SU-2012:1679 vendor-advisory
- USN-1568-1 vendor-advisory
- USN-1575-1 vendor-advisory
- RHSA-2012:1347 vendor-advisory
- 51193 third-party-advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30
- RHSA-2012:1430 vendor-advisory
- RHSA-2012:1375 vendor-advisory
- [oss-security] 20120803 Remote DoS in Linux sfc driver through TCP MSS option (CVE-2012-3412) mailing-list
- 50633 third-party-advisory
- USN-1580-1 vendor-advisory