CVE-2011-3188
The (1) IPv4 and (2) IPv6 implementations in the Linux kernel before 3.1 use a modified MD4 algorithm to generate sequence numbers and Fragment Identification values, which makes it easier for remote attackers to cause a denial of service (disrupted…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The (1) IPv4 and (2) IPv6 implementations in the Linux kernel before 3.1 use a modified MD4 algorithm to generate sequence numbers and Fragment Identification values, which makes it easier for remote attackers to cause a denial of service (disrupted networking) or hijack network sessions by predicting these values and sending crafted packets.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 5.04% probability · 92th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel · redhat/enterprise linux · f5/arx · f5/big-ip access policy manager · f5/big-ip analytics · f5/big-ip application security manager · f5/big-ip edge gateway · f5/big-ip global traffic manager · f5/big-ip link controller · f5/big-ip local traffic manager · f5/big-ip protocol security module · f5/big-ip wan optimization manager · f5/big-ip webaccelerator · f5/enterprise manager · f5/firepass
- Source
- secalert@redhat.com
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6e5714eaf77d79ae1c8b47e3e040ff5411b717ec
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bc0b96b54a21246e377122d54569eef71cec535f
- http://marc.info/?l=bugtraq&m=139447903326211&w=2Mailing List, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing List, Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2011/08/23/2Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=732658Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/6e5714eaf77d79ae1c8b47e3e040ff5411b717ecPatch, Third Party Advisory
- https://github.com/torvalds/linux/commit/bc0b96b54a21246e377122d54569eef71cec535fPatch, Third Party Advisory
- https://support.f5.com/csp/article/K15301?utm_source=f5support&%3Butm_medium=RSS
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6e5714eaf77d79ae1c8b47e3e040ff5411b717ec
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bc0b96b54a21246e377122d54569eef71cec535f
- http://marc.info/?l=bugtraq&m=139447903326211&w=2Mailing List, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing List, Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2011/08/23/2Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=732658Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/6e5714eaf77d79ae1c8b47e3e040ff5411b717ecPatch, Third Party Advisory
- https://github.com/torvalds/linux/commit/bc0b96b54a21246e377122d54569eef71cec535fPatch, Third Party Advisory
- https://support.f5.com/csp/article/K15301?utm_source=f5support&%3Butm_medium=RSS
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.