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CVE-2015-8701
Published: Dec 29, 2016
Modified: Aug 6, 2024
PUBLISHED
Description
QEMU (aka Quick Emulator) built with the Rocker switch emulation support is vulnerable to an off-by-one error. It happens while processing transmit (tx) descriptors in 'tx_consume' routine, if a descriptor was to have more than allowed (ROCKER_TX_FRAGS_MAX=16) fragments. A privileged user inside guest could use this flaw to cause memory leakage on the host or crash the QEMU process instance resulting in DoS issue.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
[oss-security] 20151228 CVE request Qemu net: rocker: fix an incorrect array bounds check
mailing-list
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[qemu-devel] 20151226 [PATCH v2] net: rocker: fix an incorrect array bounds check
mailing-list
x_refsource_MLIST
79706
vdb-entry
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[oss-security] 20151229 Re: CVE request Qemu net: rocker: fix an incorrect array bounds check
mailing-list
x_refsource_MLIST
https://bugzilla.redhat.com/show_bug.cgi?id=1286971
x_refsource_CONFIRM
GLSA-201602-01
vendor-advisory
x_refsource_GENTOO
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