CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2024-35898 – netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()
https://notcve.org/view.php?id=CVE-2024-35898
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() nft_unregister_flowtable_type() within nf_flow_inet_module_exit() can concurrent with __nft_flowtable_type_get() within nf_tables_newflowtable(). And thhere is not any protection when iterate over nf_tables_flowtables list in __nft_flowtable_type_get(). Therefore, there is pertential data-race of nf_tables_flowtables list entry. Use list_for_each_entry_rcu() to iter... • https://git.kernel.org/stable/c/3b49e2e94e6ebb8b23d0955d9e898254455734f8 •
CVSS: 5.5EPSS: 0%CPEs: 7EXPL: 0CVE-2024-35897 – netfilter: nf_tables: discard table flag update with pending basechain deletion
https://notcve.org/view.php?id=CVE-2024-35897
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: discard table flag update with pending basechain deletion Hook unregistration is deferred to the commit phase, same occurs with hook updates triggered by the table dormant flag. When both commands are combined, this results in deleting a basechain while leaving its hook still registered in the core. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: netfilter: nf_tables: descartar actualización del indicad... • https://git.kernel.org/stable/c/e10f661adc556c4969c70ddaddf238bffdaf1e87 •
CVSS: 7.1EPSS: 0%CPEs: 6EXPL: 0CVE-2024-35896 – netfilter: validate user input for expected length
https://notcve.org/view.php?id=CVE-2024-35896
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: netfilter: validate user input for expected length I got multiple syzbot reports showing old bugs exposed by BPF after commit 20f2505fb436 ("bpf: Try to avoid kzalloc in cgroup/{s,g}etsockopt") setsockopt() @optlen argument should be taken into account before copying data. BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h... • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 •
CVSS: 5.5EPSS: 0%CPEs: 7EXPL: 0CVE-2024-35895 – bpf, sockmap: Prevent lock inversion deadlock in map delete elem
https://notcve.org/view.php?id=CVE-2024-35895
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Prevent lock inversion deadlock in map delete elem syzkaller started using corpuses where a BPF tracing program deletes elements from a sockmap/sockhash map. Because BPF tracing programs can be invoked from any interrupt context, locks taken during a map_delete_elem operation must be hardirq-safe. Otherwise a deadlock due to lock inversion is possible, as reported by lockdep: CPU0 CPU1 ---- ---- lock(&htab->buckets[i].lock); l... • https://git.kernel.org/stable/c/604326b41a6fb9b4a78b6179335decee0365cd8c •
CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2024-35893 – net/sched: act_skbmod: prevent kernel-infoleak
https://notcve.org/view.php?id=CVE-2024-35893
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: net/sched: act_skbmod: prevent kernel-infoleak syzbot found that tcf_skbmod_dump() was copying four bytes from kernel stack to user space [1]. The issue here is that 'struct tc_skbmod' has a four bytes hole. We need to clear the structure before filling fields. [1] BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline] BUG: KMSAN: kernel-infoleak in copy_to_user_iter lib/iov_iter.c:24 [inline] BUG: ... • https://git.kernel.org/stable/c/86da71b57383d40993cb90baafb3735cffe5d800 •
CVSS: 5.5EPSS: 0%CPEs: 5EXPL: 0CVE-2024-35892 – net/sched: fix lockdep splat in qdisc_tree_reduce_backlog()
https://notcve.org/view.php?id=CVE-2024-35892
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: net/sched: fix lockdep splat in qdisc_tree_reduce_backlog() qdisc_tree_reduce_backlog() is called with the qdisc lock held, not RTNL. We must use qdisc_lookup_rcu() instead of qdisc_lookup() syzbot reported: WARNING: suspicious RCU usage 6.1.74-syzkaller #0 Not tainted ----------------------------- net/sched/sch_api.c:305 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_... • https://git.kernel.org/stable/c/9d9a38b5639fcefacc1e977567fb4b4e4a74d0b3 •
CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0CVE-2024-35891 – net: phy: micrel: Fix potential null pointer dereference
https://notcve.org/view.php?id=CVE-2024-35891
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: net: phy: micrel: Fix potential null pointer dereference In lan8814_get_sig_rx() and lan8814_get_sig_tx() ptp_parse_header() may return NULL as ptp_header due to abnormal packet type or corrupted packet. Fix this bug by adding ptp_header check. Found by Linux Verification Center (linuxtesting.org) with SVACE. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: net: phy: micrel: corrige una posible desreferencia del puntero null ... • https://git.kernel.org/stable/c/ece19502834d84ece2e056db28257ca2aa6e4d48 •
CVSS: 5.5EPSS: 0%CPEs: 5EXPL: 0CVE-2024-35890 – gro: fix ownership transfer
https://notcve.org/view.php?id=CVE-2024-35890
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: gro: fix ownership transfer If packets are GROed with fraglist they might be segmented later on and continue their journey in the stack. In skb_segment_list those skbs can be reused as-is. This is an issue as their destructor was removed in skb_gro_receive_list but not the reference to their socket, and then they can't be orphaned. Fix this by also removing the reference to the socket. For example this could be observed, kernel BUG at inclu... • https://git.kernel.org/stable/c/5e10da5385d20c4bae587bc2921e5fdd9655d5fc •
CVSS: 5.5EPSS: 0%CPEs: 9EXPL: 0CVE-2024-35888 – erspan: make sure erspan_base_hdr is present in skb->head
https://notcve.org/view.php?id=CVE-2024-35888
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: erspan: make sure erspan_base_hdr is present in skb->head syzbot reported a problem in ip6erspan_rcv() [1] Issue is that ip6erspan_rcv() (and erspan_rcv()) no longer make sure erspan_base_hdr is present in skb linear part (skb->head) before getting @ver field from it. Add the missing pskb_may_pull() calls. v2: Reload iph pointer in erspan_rcv() after pskb_may_pull() because skb->head might have changed. [1] BUG: KMSAN: uninit-value in pskb_... • https://git.kernel.org/stable/c/0a198e0bb8bef51ced179702ad1af6f9e3715b64 •
CVSS: 5.5EPSS: 0%CPEs: 3EXPL: 0CVE-2024-35887 – ax25: fix use-after-free bugs caused by ax25_ds_del_timer
https://notcve.org/view.php?id=CVE-2024-35887
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: ax25: fix use-after-free bugs caused by ax25_ds_del_timer When the ax25 device is detaching, the ax25_dev_device_down() calls ax25_ds_del_timer() to cleanup the slave_timer. When the timer handler is running, the ax25_ds_del_timer() that calls del_timer() in it will return directly. As a result, the use-after-free bugs could happen, one of the scenarios is shown below: (Thread 1) | (Thread 2) | ax25_ds_timeout() ax25_dev_device_down() | ax2... • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 •