In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
erofs: skip sufficiently large global buffers when resizing<\/p>\n
z_erofs_gbuf_nrpages is advanced only after every global buffer has been
\ngrown. If a resize fails after some buffers were enlarged, a retry
\nrevisits those enlarged buffers.<\/p>\n
Retrying the same size then returns -ENOMEM because alloc_pages_bulk()
\nhas no pages to add and the unchanged return value is treated as a
\nfailure. Retrying an intermediate size allocates a temporary pointer
\narray smaller than gbuf->nrpages and copies more existing pointers than
\nthe array can hold.<\/p>\n
Skip buffers that already satisfy the request. Once all remaining
\nbuffers have caught up, advancing z_erofs_gbuf_nrpages again describes
\nthe guaranteed minimum size across the pool.<\/p>\n","protected":false},"excerpt":{"rendered":"
In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
erofs: skip sufficiently large global buffers when resizing<\/p>\n
z_erofs_gbuf_nrpages is advanced only after every global buffer has be<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21524","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21524","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=21524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}