https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Fri, 09 Oct 2026 12:01:10 +0000 https://db.gcve.eu/vuln/fkie_cve-2026-98378 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>bpf: Skip unsettled links in link iterator</p> <p>bpf_link_prime() inserts a link into link_idr before anon_inode_getfile() succeeds and before bpf_link_settle() publishes the ID in link-&gt;id. bpf_link_by_id() treats such an ID-zero link as unsettled, but the link iterator takes a reference without this check.</p> <p>If anon_inode_getfile() then fails, the creator removes the ID and frees its still-private link directly. The iterator is left with a dangling reference and its next bpf_link_put() accesses freed memory.</p> <p>Treat ID-zero entries as transient in bpf_link_get_curr_or_next(), just as bpf_link_by_id() does.</p> <p>BUG: KASAN: slab-use-after-free in bpf_link_put Write of size 8 by task exp/384 Call Trace: bpf_link_put kernel/bpf/syscall.c:3372 bpf_link_seq_next kernel/bpf/link_iter.c:33 bpf_seq_read kernel/bpf/bpf_iter.c:158 vfs_read fs/read_write.c:572 ksys_read fs/read_write.c:716 do_syscall_64 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:121 Kernel panic - not syncing: KASAN: panic_on_warn set ...</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>bpf: Skip unsettled links in link iterator</p> <p>bpf_link_prime() inserts a link into link_idr before anon_inode_getfile() succeeds and before bpf_link_settle() publishes the ID in link-&gt;id. bpf_link_by_id() treats such an ID-zero link as unsettled, but the link iterator takes a reference without this check.</p> <p>If anon_inode_getfile() then fails, the creator removes the ID and frees its still-private link directly. The iterator is left with a dangling reference and its next bpf_link_put() accesses freed memory.</p> <p>Treat ID-zero entries as transient in bpf_link_get_curr_or_next(), just as bpf_link_by_id() does.</p> <p>BUG: KASAN: slab-use-after-free in bpf_link_put Write of size 8 by task exp/384 Call Trace: bpf_link_put kernel/bpf/syscall.c:3372 bpf_link_seq_next kernel/bpf/link_iter.c:33 bpf_seq_read kernel/bpf/bpf_iter.c:158 vfs_read fs/read_write.c:572 ksys_read fs/read_write.c:716 do_syscall_64 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:121 Kernel panic - not syncing: KASAN: panic_on_warn set ...</p> https://db.gcve.eu/vuln/fkie_cve-2026-98378 https://db.gcve.eu/vuln/ghsa-9m4g-3f3p-3783 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>bpf: Skip unsettled links in link iterator</p> <p>bpf_link_prime() inserts a link into link_idr before anon_inode_getfile() succeeds and before bpf_link_settle() publishes the ID in link-&gt;id. bpf_link_by_id() treats such an ID-zero link as unsettled, but the link iterator takes a reference without this check.</p> <p>If anon_inode_getfile() then fails, the creator removes the ID and frees its still-private link directly. The iterator is left with a dangling reference and its next bpf_link_put() accesses freed memory.</p> <p>Treat ID-zero entries as transient in bpf_link_get_curr_or_next(), just as bpf_link_by_id() does.</p> <p>BUG: KASAN: slab-use-after-free in bpf_link_put Write of size 8 by task exp/384 Call Trace: bpf_link_put kernel/bpf/syscall.c:3372 bpf_link_seq_next kernel/bpf/link_iter.c:33 bpf_seq_read kernel/bpf/bpf_iter.c:158 vfs_read fs/read_write.c:572 ksys_read fs/read_write.c:716 do_syscall_64 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:121 Kernel panic - not syncing: KASAN: panic_on_warn set ...</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>bpf: Skip unsettled links in link iterator</p> <p>bpf_link_prime() inserts a link into link_idr before anon_inode_getfile() succeeds and before bpf_link_settle() publishes the ID in link-&gt;id. bpf_link_by_id() treats such an ID-zero link as unsettled, but the link iterator takes a reference without this check.</p> <p>If anon_inode_getfile() then fails, the creator removes the ID and frees its still-private link directly. The iterator is left with a dangling reference and its next bpf_link_put() accesses freed memory.</p> <p>Treat ID-zero entries as transient in bpf_link_get_curr_or_next(), just as bpf_link_by_id() does.</p> <p>BUG: KASAN: slab-use-after-free in bpf_link_put Write of size 8 by task exp/384 Call Trace: bpf_link_put kernel/bpf/syscall.c:3372 bpf_link_seq_next kernel/bpf/link_iter.c:33 bpf_seq_read kernel/bpf/bpf_iter.c:158 vfs_read fs/read_write.c:572 ksys_read fs/read_write.c:716 do_syscall_64 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:121 Kernel panic - not syncing: KASAN: panic_on_warn set ...</p> https://db.gcve.eu/vuln/ghsa-9m4g-3f3p-3783