CVSS: -EPSS: 0%CPEs: 8EXPL: 0CVE-2024-56658 – net: defer final 'struct net' free in netns dismantle
https://notcve.org/view.php?id=CVE-2024-56658
In the Linux kernel, the following vulnerability has been resolved: net: defer final 'struct net' free in netns dismantle Ilya reported a slab-use-after-free in dst_destroy [1] Issue is in xfrm6_net_init() and xfrm4_net_init() : They copy xfrm[46]_dst_ops_template into net->xfrm.xfrm[46]_dst_ops. But net structure might be freed before all the dst callbacks are called. So when dst_destroy() calls later : if (dst->ops->destroy) dst->ops->destroy(dst); dst->ops points to the old net->xfrm.xfrm[46]_dst_ops, which has been freed. See a relevant issue fixed in : ac888d58869b ("net: do not delay dst_entries_add() in dst_release()") A fix is to queue the 'struct net' to be freed after one another cleanup_net() round (and existing rcu_barrier()) [1] BUG: KASAN: slab-use-after-free in dst_destroy (net/core/dst.c:112) Read of size 8 at addr ffff8882137ccab0 by task swapper/37/0 Dec 03 05:46:18 kernel: CPU: 37 UID: 0 PID: 0 Comm: swapper/37 Kdump: loaded Not tainted 6.12.0 #67 Hardware name: Red Hat KVM/RHEL, BIOS 1.16.1-1.el9 04/01/2014 Call Trace: <IRQ> dump_stack_lvl (lib/dump_stack.c:124) print_address_description.constprop.0 (mm/kasan/report.c:378) ? dst_destroy (net/core/dst.c:112) print_report (mm/kasan/report.c:489) ? dst_destroy (net/core/dst.c:112) ? kasan_addr_to_slab (mm/kasan/common.c:37) kasan_report (mm/kasan/report.c:603) ? • https://git.kernel.org/stable/c/a8a572a6b5f2a79280d6e302cb3c1cb1fbaeb3e8 https://git.kernel.org/stable/c/3e29fa5b742479f73400468314a1c6b9cf553ee4 https://git.kernel.org/stable/c/ce43f6a650a6689551a217276fb0dcca33790425 https://git.kernel.org/stable/c/eeca98948d8c4922e6deb16bfc9ee0bd9902dbb0 https://git.kernel.org/stable/c/1bd631fc9a4515878c1bb7effd19335d2f2d87c2 https://git.kernel.org/stable/c/3267b254dc0a04dfa362a2be24573cfa6d2d78f5 https://git.kernel.org/stable/c/b7a79e51297f7b82adb687086f5cb2da446f1e40 https://git.kernel.org/stable/c/6610c7f8a8d47fd1123eed55ba8c11c24 •
CVSS: -EPSS: 0%CPEs: 3EXPL: 0CVE-2024-56657 – ALSA: control: Avoid WARN() for symlink errors
https://notcve.org/view.php?id=CVE-2024-56657
In the Linux kernel, the following vulnerability has been resolved: ALSA: control: Avoid WARN() for symlink errors Using WARN() for showing the error of symlink creations don't give more information than telling that something goes wrong, since the usual code path is a lregister callback from each control element creation. More badly, the use of WARN() rather confuses fuzzer as if it were serious issues. This patch downgrades the warning messages to use the normal dev_err() instead of WARN(). For making it clearer, add the function name to the prefix, too. • https://git.kernel.org/stable/c/a135dfb5de1501327895729b4f513370d2555b4d https://git.kernel.org/stable/c/d5a1ca7b59804d6779644001a878ed925a4688ca https://git.kernel.org/stable/c/36c0764474b637bbee498806485bed524cad486b https://git.kernel.org/stable/c/b2e538a9827dd04ab5273bf4be8eb2edb84357b0 •
CVSS: -EPSS: 0%CPEs: 11EXPL: 0CVE-2024-56651 – can: hi311x: hi3110_can_ist(): fix potential use-after-free
https://notcve.org/view.php?id=CVE-2024-56651
In the Linux kernel, the following vulnerability has been resolved: can: hi311x: hi3110_can_ist(): fix potential use-after-free The commit a22bd630cfff ("can: hi311x: do not report txerr and rxerr during bus-off") removed the reporting of rxerr and txerr even in case of correct operation (i. e. not bus-off). The error count information added to the CAN frame after netif_rx() is a potential use after free, since there is no guarantee that the skb is in the same state. It might be freed or reused. Fix the issue by postponing the netif_rx() call in case of txerr and rxerr reporting. • https://git.kernel.org/stable/c/a22bd630cfff496b270211745536e50e98eb3a45 https://git.kernel.org/stable/c/303733fdab728d34708014b3096dc69ebae6e531 https://git.kernel.org/stable/c/410054f1cf75378a6f009359e5952a240102a1a2 https://git.kernel.org/stable/c/d20bf7e76136fd4c1e47502a1f5773f2290013ed https://git.kernel.org/stable/c/22e382d47de09e865a9214cc5c9f99256e65deaa https://git.kernel.org/stable/c/dcfcd5fc999b1eb7946de1fd031bc3aaf224c5ae https://git.kernel.org/stable/c/330b0ac34beec4fef8b002549af5bc6d0b6f0836 https://git.kernel.org/stable/c/f3d865a6b791abbc874739ed702ae64ad •
CVSS: -EPSS: 0%CPEs: 7EXPL: 0CVE-2024-56650 – netfilter: x_tables: fix LED ID check in led_tg_check()
https://notcve.org/view.php?id=CVE-2024-56650
In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: fix LED ID check in led_tg_check() Syzbot has reported the following BUG detected by KASAN: BUG: KASAN: slab-out-of-bounds in strlen+0x58/0x70 Read of size 1 at addr ffff8881022da0c8 by task repro/5879 ... Call Trace: <TASK> dump_stack_lvl+0x241/0x360 ? __pfx_dump_stack_lvl+0x10/0x10 ? __pfx__printk+0x10/0x10 ? _printk+0xd5/0x120 ? __virt_addr_valid+0x183/0x530 ? • https://git.kernel.org/stable/c/268cb38e1802db560c73167e643f14a3dcb4b07c https://git.kernel.org/stable/c/147a42bb02de8735cb08476be6d0917987d022c2 https://git.kernel.org/stable/c/ad28612ebae1fcc1104bd432e99e99d87f6bfe09 https://git.kernel.org/stable/c/36a9d94dac28beef6b8abba46ba8874320d3e800 https://git.kernel.org/stable/c/ab9916321c95f5280b72b4c5055e269f98627efe https://git.kernel.org/stable/c/a9bcc0b70d9baf3ff005874489a0dc9d023b54c3 https://git.kernel.org/stable/c/c40c96d98e536fc1daaa125c2332b988615e30a4 https://git.kernel.org/stable/c/04317f4eb2aad312ad85c1a17ad81fe75 •
CVSS: -EPSS: 0%CPEs: 7EXPL: 0CVE-2024-56648 – net: hsr: avoid potential out-of-bound access in fill_frame_info()
https://notcve.org/view.php?id=CVE-2024-56648
In the Linux kernel, the following vulnerability has been resolved: net: hsr: avoid potential out-of-bound access in fill_frame_info() syzbot is able to feed a packet with 14 bytes, pretending it is a vlan one. Since fill_frame_info() is relying on skb->mac_len already, extend the check to cover this case. BUG: KMSAN: uninit-value in fill_frame_info net/hsr/hsr_forward.c:709 [inline] BUG: KMSAN: uninit-value in hsr_forward_skb+0x9ee/0x3b10 net/hsr/hsr_forward.c:724 fill_frame_info net/hsr/hsr_forward.c:709 [inline] hsr_forward_skb+0x9ee/0x3b10 net/hsr/hsr_forward.c:724 hsr_dev_xmit+0x2f0/0x350 net/hsr/hsr_device.c:235 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x247/0xa20 net/core/dev.c:3606 __dev_queue_xmit+0x366a/0x57d0 net/core/dev.c:4434 dev_queue_xmit include/linux/netdevice.h:3168 [inline] packet_xmit+0x9c/0x6c0 net/packet/af_packet.c:276 packet_snd net/packet/af_packet.c:3146 [inline] packet_sendmsg+0x91ae/0xa6f0 net/packet/af_packet.c:3178 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:726 __sys_sendto+0x594/0x750 net/socket.c:2197 __do_sys_sendto net/socket.c:2204 [inline] __se_sys_sendto net/socket.c:2200 [inline] __x64_sys_sendto+0x125/0x1d0 net/socket.c:2200 x64_sys_call+0x346a/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:4091 [inline] slab_alloc_node mm/slub.c:4134 [inline] kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4186 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587 __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678 alloc_skb include/linux/skbuff.h:1323 [inline] alloc_skb_with_frags+0xc8/0xd00 net/core/skbuff.c:6612 sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2881 packet_alloc_skb net/packet/af_packet.c:2995 [inline] packet_snd net/packet/af_packet.c:3089 [inline] packet_sendmsg+0x74c6/0xa6f0 net/packet/af_packet.c:3178 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:726 __sys_sendto+0x594/0x750 net/socket.c:2197 __do_sys_sendto net/socket.c:2204 [inline] __se_sys_sendto net/socket.c:2200 [inline] __x64_sys_sendto+0x125/0x1d0 net/socket.c:2200 x64_sys_call+0x346a/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f • https://git.kernel.org/stable/c/f6442ee08fe66c8e45c4f246531a2aaf4f17a7a7 https://git.kernel.org/stable/c/48b491a5cc74333c4a6a82fe21cea42c055a3b0b https://git.kernel.org/stable/c/4ffd1d4a6b306ff69cbe412d2c54d2dd349ff436 https://git.kernel.org/stable/c/aa632691c722a123e47ccd05a3afdd5f87a36061 https://git.kernel.org/stable/c/c6e778901d0055356c4fb223058364cae731494a https://git.kernel.org/stable/c/6bb5c8ebc99f0671dbd3c9408ebaf935c3951186 https://git.kernel.org/stable/c/3c215663b3e27a3b08cefcaea623ff54c70c8035 https://git.kernel.org/stable/c/7ea527fbd7b94d0bee64a0a7e98279bcc •