Linux Kernel skb_zerocopy() information disclosure
|linux-kernel-cve20142568-info-disclosure (91922)||Low Risk|
Linux Kernel could allow a local attacker to obtain sensitive information, caused by the copying of skbs that are backed by userspace buffers by the skb_zerocopy() function. An attacker could exploit this vulnerability to obtain sensitive information.
Refer to The Linux Kernel Web site for patch, upgrade or suggested workaround information. See References.
- oss-security Mailing List, Thu 20 Mar 2014: CVE request -- kernel: net: potential information leak when ubuf backed skbs are skb_zerocopy()ied .
- The Linux Kernel Web site: Linux Kernel.
- BID-66348: Linux Kernel CVE-2014-2568 Information Disclosure Vulnerability
- CVE-2014-2568: Use-after-free vulnerability in the nfqnl_zcopy function in net/netfilter/nfnetlink_queue_core.c in the Linux kernel through 3.13.6 allows attackers to obtain sensitive information from kernel memory by leveraging the absence of a certain orphaning operation. NOTE: the affected code was moved to the skb_zerocopy function in net/core/skbuff.c before the vulnerability was announced.
- Linux Kernel 3.14-rc7
Mar 20, 2014
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.