Threats Tagged 'ubuntu-cve-2026-43494'
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Threats Tagged 'ubuntu-cve-2026-43494'
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Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: net/rds: reset op_nents when zerocopy page pin fails When iov_iter_get_pages2()… (CVE-2026-43494)CVE-2026-43494 0 In the Linux kernel, the following vulnerability has been resolved: net/rds: reset op_nents when zerocopy page pin fails When iov_iter_get_pages2() fails in rds_message_zcopy_from_user(), the pinned pages are released with put_page(), and rm->data.op_mmp_znotifier is cleared. But we fail to properly clear rm->data.op_nents. Later when rds_message_purge() is called from rds_sendmsg() the cleanup loop iterates over the incorrectly non zero number of op_nents and frees them again. Fix this by properly resetting op_nents when it should be in rds_message_zcopy_from_user(). Join the discussion | GCVE Database | 05/21/2026, 12:16:00 UTC Added: 07/18/2026, 11:19:34 UTC |
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