In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
igbvf: Fix leak in TX DMA error cleanup<\/p>\n
If an error is encountered while mapping TX buffers, the driver should
\nunmap any buffers already mapped for that skb.<\/p>\n
Because count is incremented before each frag mapping, it will always
\nmatch the correct number of unmappings needed when dma_error is reached.
\nDecrementing count before the while loop in dma_error causes an
\noff-by-one error. If any mapping was successful before an unsuccessful
\nmapping, exactly one DMA mapping (the head) would leak.<\/p>\n
This bug was introduced by a 2010 fix for an endless loop in dma_error.
\nAll other affected drivers have already been fixed.<\/p>\n","protected":false},"excerpt":{"rendered":"
In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
igbvf: Fix leak in TX DMA error cleanup<\/p>\n
If an error is encountered while mapping TX buffers, the driver should
\nunmap any buffers a<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-7490","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/7490","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}