https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 03 Nov 2026 09:23:52 +0000 https://db.gcve.eu/vuln/cve-2026-98724 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>nvmet: pci-epf: reject too-short SGL segments</p> <p>The host controls an SGL segment&#39;s length. A nonzero length smaller than one SGL descriptor makes nr_descs zero, so nvmet_pci_epf_get_sgl_segment() reads the type byte of sgls[-1] outside the allocated buffer. If that byte contains a segment descriptor type, the function also copies the preceding 16 bytes and returns a negative descriptor count.</p> <p>The read was reproduced in 3/3 KASAN boots with only the host transfer mocked by a KUnit test:</p> <p>BUG: KASAN: slab-out-of-bounds in nvmet_pci_epf_get_sgl_segment Read of size 1 by task kunit_try_catch Call Trace: nvmet_pci_epf_get_sgl_segment nvmet_pci_epf_short_sgl_test Kernel panic - not syncing: KASAN: panic_on_warn set ...</p> <p>Reject segments that cannot hold one descriptor before allocating or transferring their contents.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>nvmet: pci-epf: reject too-short SGL segments</p> <p>The host controls an SGL segment&#39;s length. A nonzero length smaller than one SGL descriptor makes nr_descs zero, so nvmet_pci_epf_get_sgl_segment() reads the type byte of sgls[-1] outside the allocated buffer. If that byte contains a segment descriptor type, the function also copies the preceding 16 bytes and returns a negative descriptor count.</p> <p>The read was reproduced in 3/3 KASAN boots with only the host transfer mocked by a KUnit test:</p> <p>BUG: KASAN: slab-out-of-bounds in nvmet_pci_epf_get_sgl_segment Read of size 1 by task kunit_try_catch Call Trace: nvmet_pci_epf_get_sgl_segment nvmet_pci_epf_short_sgl_test Kernel panic - not syncing: KASAN: panic_on_warn set ...</p> <p>Reject segments that cannot hold one descriptor before allocating or transferring their contents.</p> https://db.gcve.eu/vuln/cve-2026-98724