CVSS: 5.5EPSS: 0%CPEs: 9EXPL: 0CVE-2024-26679 – inet: read sk->sk_family once in inet_recv_error()
https://notcve.org/view.php?id=CVE-2024-26679
In the Linux kernel, the following vulnerability has been resolved: inet: read sk->sk_family once in inet_recv_error() inet_recv_error() is called without holding the socket lock. IPv6 socket could mutate to IPv4 with IPV6_ADDRFORM socket option and trigger a KCSAN warning. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: inet: lee sk->sk_family una vez en inet_recv_error() se llama a inet_recv_error() sin mantener el bloqueo del socket. El socket IPv6 podría mutar a IPv4 con la opción de socket IPV6_ADDRFORM y generar una advertencia de KCSAN. • https://git.kernel.org/stable/c/f4713a3dfad045d46afcb9c2a7d0bba288920ed4 https://git.kernel.org/stable/c/433337f9c00cac447d020922f59237273f5d92be https://git.kernel.org/stable/c/caa064c3c2394d03e289ebd6b0be5102eb8a5b40 https://git.kernel.org/stable/c/5993f121fbc01dc2d734f0ff2628009b258fb1dd https://git.kernel.org/stable/c/88081ba415224cf413101def4343d660f56d082b https://git.kernel.org/stable/c/3266e638ba5cc1165f5e6989eb8c0720f1cc4b41 https://git.kernel.org/stable/c/54538752216bf89ee88d47ad07802063a498c299 https://git.kernel.org/stable/c/4a5e31bdd3c1702b520506d9cf8c41085 • CWE-413: Improper Resource Locking •
CVSS: -EPSS: 0%CPEs: 3EXPL: 0CVE-2024-26677 – rxrpc: Fix delayed ACKs to not set the reference serial number
https://notcve.org/view.php?id=CVE-2024-26677
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix delayed ACKs to not set the reference serial number Fix the construction of delayed ACKs to not set the reference serial number as they can't be used as an RTT reference. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: rxrpc: corrige los ACK retrasados para no establecer el número de serie de referencia. Se corrige la construcción de los ACK retrasados para no establecer el número de serie de referencia, ya que no se pueden usar como referencia RTT. • https://git.kernel.org/stable/c/17926a79320afa9b95df6b977b40cca6d8713cea https://git.kernel.org/stable/c/200cb50b9e154434470c8969d32474d38475acc2 https://git.kernel.org/stable/c/63719f490e6a89896e9a463d2b45e8203eab23ae https://git.kernel.org/stable/c/e7870cf13d20f56bfc19f9c3e89707c69cf104ef •
CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2024-26675 – ppp_async: limit MRU to 64K
https://notcve.org/view.php?id=CVE-2024-26675
In the Linux kernel, the following vulnerability has been resolved: ppp_async: limit MRU to 64K syzbot triggered a warning [1] in __alloc_pages(): WARN_ON_ONCE_GFP(order > MAX_PAGE_ORDER, gfp) Willem fixed a similar issue in commit c0a2a1b0d631 ("ppp: limit MRU to 64K") Adopt the same sanity check for ppp_async_ioctl(PPPIOCSMRU) [1]: WARNING: CPU: 1 PID: 11 at mm/page_alloc.c:4543 __alloc_pages+0x308/0x698 mm/page_alloc.c:4543 Modules linked in: CPU: 1 PID: 11 Comm: kworker/u4:0 Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: events_unbound flush_to_ldisc pstate: 204000c5 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __alloc_pages+0x308/0x698 mm/page_alloc.c:4543 lr : __alloc_pages+0xc8/0x698 mm/page_alloc.c:4537 sp : ffff800093967580 x29: ffff800093967660 x28: ffff8000939675a0 x27: dfff800000000000 x26: ffff70001272ceb4 x25: 0000000000000000 x24: ffff8000939675c0 x23: 0000000000000000 x22: 0000000000060820 x21: 1ffff0001272ceb8 x20: ffff8000939675e0 x19: 0000000000000010 x18: ffff800093967120 x17: ffff800083bded5c x16: ffff80008ac97500 x15: 0000000000000005 x14: 1ffff0001272cebc x13: 0000000000000000 x12: 0000000000000000 x11: ffff70001272cec1 x10: 1ffff0001272cec0 x9 : 0000000000000001 x8 : ffff800091c91000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 00000000ffffffff x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff8000939675e0 Call trace: __alloc_pages+0x308/0x698 mm/page_alloc.c:4543 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] __kmalloc_large_node+0xbc/0x1fc mm/slub.c:3926 __do_kmalloc_node mm/slub.c:3969 [inline] __kmalloc_node_track_caller+0x418/0x620 mm/slub.c:4001 kmalloc_reserve+0x17c/0x23c net/core/skbuff.c:590 __alloc_skb+0x1c8/0x3d8 net/core/skbuff.c:651 __netdev_alloc_skb+0xb8/0x3e8 net/core/skbuff.c:715 netdev_alloc_skb include/linux/skbuff.h:3235 [inline] dev_alloc_skb include/linux/skbuff.h:3248 [inline] ppp_async_input drivers/net/ppp/ppp_async.c:863 [inline] ppp_asynctty_receive+0x588/0x186c drivers/net/ppp/ppp_async.c:341 tty_ldisc_receive_buf+0x12c/0x15c drivers/tty/tty_buffer.c:390 tty_port_default_receive_buf+0x74/0xac drivers/tty/tty_port.c:37 receive_buf drivers/tty/tty_buffer.c:444 [inline] flush_to_ldisc+0x284/0x6e4 drivers/tty/tty_buffer.c:494 process_one_work+0x694/0x1204 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2787 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 En el kernel de Linux, se resolvió la siguiente vulnerabilidad: ppp_async: limitar MRU a 64K syzbot activó una advertencia [1] en __alloc_pages(): WARN_ON_ONCE_GFP(order > MAX_PAGE_ORDER, gfp) Willem solucionó un problema similar en el commit c0a2a1b0d631 ("ppp: limite MRU a 64K") Adopte la misma verificación de cordura para ppp_async_ioctl(PPPIOCSMRU) [1]: ADVERTENCIA: CPU: 1 PID: 11 en mm/page_alloc.c:4543 __alloc_pages+0x308/0x698 mm/page_alloc.c:4543 Módulos vinculados en: CPU: 1 PID: 11 Comm: kworker/u4:0 No contaminado 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 17/11/2023 Cola de trabajo: events_unbound flux_to_ldisc pstate: 204000c5 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __alloc_pages+0x308/0x698 mm/page_alloc.c:4543 lr : __alloc_pages+0xc8/0x698 mm/page_alloc.c:4537 sp: ffff800093967580 x29: ffff800093967660 x28: ffff8000939675a0 x27: dfff800000000000 x26: ffff70001272ceb4 x25: 0000000000000000 x24: ffff8000 939675c0 x23: 0000000000000000 x22: 0000000000060820 x21: 1ffff0001272ceb8 x20: ffff8000939675e0 x19: 0000000000000010 x18: ffff8000939671 20 x17: ffff800083bded5c x16: ffff80008ac97500 x15: 00000000000000005 x14: 1ffff0001272cebc x13: 0000000000000000 x12: 0000000000000000 x11: ffff70001272cec1 x10: 1ffff0001272cec0 x9: 0000000000000001 x8: ffff800091c 91000 x7: 0000000000000000 x6: 000000000000003f x5: 00000000ffffffff x4: 0000000000000000 x3: 00000000000000020 x2: 0000000000000008 x1: 0000000000000000 x0: ffff8000939675e0 Rastreo de llamadas: __alloc_pages+0x308/ 0x698 mm/page_alloc.c:4543 __alloc_pages_node include/linux/gfp.h:238 [en línea] alloc_pages_node include/linux/gfp.h:261 [en línea] __kmalloc_large_node+0xbc/0x1fc mm/slub.c:3926 __do_kmalloc_node mm/slub .c:3969 [en línea] __kmalloc_node_track_caller+0x418/0x620 mm/slub.c:4001 kmalloc_reserve+0x17c/0x23c net/core/skbuff.c:590 __alloc_skb+0x1c8/0x3d8 net/core/skbuff.c:651 __netdev_alloc_skb+0x b8 /0x3e8 net/core/skbuff.c:715 netdev_alloc_skb include/linux/skbuff.h:3235 [en línea] dev_alloc_skb include/linux/skbuff.h:3248 [en línea] ppp_async_input drivers/net/ppp/ppp_async.c:863 [ en línea] ppp_asynctty_receive+0x588/0x186c controladores/net/ppp/ppp_async.c:341 tty_ldisc_receive_buf+0x12c/0x15c controladores/tty/tty_buffer.c:390 tty_port_default_receive_buf+0x74/0xac controladores/tty/tty_port.c:37 recibir_buf controladores /tty /tty_buffer.c:444 [en línea] Flush_to_ldisc+0x284/0x6e4 controladores/tty/tty_buffer.c:494 Process_one_work+0x694/0x1204 kernel/workqueue.c:2633 Process_scheduled_works kernel/workqueue.c:2706 [en línea] trabajador_thread+0x938/ 0xef4 kernel/workqueue.c:2787 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 https://git.kernel.org/stable/c/4fdb14ba89faff6e6969a4dffdc8e54235d6e5ed https://git.kernel.org/stable/c/56fae81633ccee307cfcb032f706bf1863a56982 https://git.kernel.org/stable/c/b06e067e93fa4b98acfd3a9f38a398ab91bbc58b https://git.kernel.org/stable/c/58fbe665b097bf7b3144da7e7b91fb27aa8d0ae3 https://git.kernel.org/stable/c/4e2c4846b2507f6dfc9bea72b7567c2693a82a16 https://git.kernel.org/stable/c/7e5ef49670766c9742ffcd9cead7cdb018268719 https://git.kernel.org/stable/c/210d938f963dddc543b07e66a79b7d8d4 • CWE-20: Improper Input Validation •
CVSS: 6.1EPSS: 0%CPEs: 7EXPL: 0CVE-2024-26673 – netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations
https://notcve.org/view.php?id=CVE-2024-26673
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations - Disallow families other than NFPROTO_{IPV4,IPV6,INET}. - Disallow layer 4 protocol with no ports, since destination port is a mandatory attribute for this object. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: netfilter: nft_ct: desinfecta el número de protocolo de capa 3 y 4 en expectativas personalizadas - No permitir familias que no sean NFPROTO_{IPV4,IPV6,INET}. - No permitir el protocolo de capa 4 sin puertos, ya que el puerto de destino es un atributo obligatorio para este objeto. • https://git.kernel.org/stable/c/857b46027d6f91150797295752581b7155b9d0e1 https://git.kernel.org/stable/c/f549f340c91f08b938d60266e792ff7748dae483 https://git.kernel.org/stable/c/65ee90efc928410c6f73b3d2e0afdd762652c09d https://git.kernel.org/stable/c/b775ced05489f4b77a35fe203e9aeb22f428e38f https://git.kernel.org/stable/c/0f501dae16b7099e69ee9b0d5c70b8f40fd30e98 https://git.kernel.org/stable/c/cfe3550ea5df292c9e2d608e8c4560032391847e https://git.kernel.org/stable/c/38cc1605338d99205a263707f4dde76408d3e0e8 https://git.kernel.org/stable/c/8059918a1377f2f1fff06af4f5a4ed3d5 • CWE-99: Improper Control of Resource Identifiers ('Resource Injection') •
CVSS: 7.1EPSS: 0%CPEs: 2EXPL: 0CVE-2024-26672 – drm/amdgpu: Fix variable 'mca_funcs' dereferenced before NULL check in 'amdgpu_mca_smu_get_mca_entry()'
https://notcve.org/view.php?id=CVE-2024-26672
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix variable 'mca_funcs' dereferenced before NULL check in 'amdgpu_mca_smu_get_mca_entry()' Fixes the below: drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c:377 amdgpu_mca_smu_get_mca_entry() warn: variable dereferenced before check 'mca_funcs' (see line 368) 357 int amdgpu_mca_smu_get_mca_entry(struct amdgpu_device *adev, enum amdgpu_mca_error_type type, 358 int idx, struct mca_bank_entry *entry) 359 { 360 const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs; 361 int count; 362 363 switch (type) { 364 case AMDGPU_MCA_ERROR_TYPE_UE: 365 count = mca_funcs->max_ue_count; mca_funcs is dereferenced here. 366 break; 367 case AMDGPU_MCA_ERROR_TYPE_CE: 368 count = mca_funcs->max_ce_count; mca_funcs is dereferenced here. 369 break; 370 default: 371 return -EINVAL; 372 } 373 374 if (idx >= count) 375 return -EINVAL; 376 377 if (mca_funcs && mca_funcs->mca_get_mca_entry) ^^^^^^^^^ Checked too late! En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amdgpu: corrige la variable 'mca_funcs' desreferenciada antes de la comprobación NULL en 'amdgpu_mca_smu_get_mca_entry()' Corrige lo siguiente: drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c:377 amdgpu_mca_smu_get_mca_entry() advertencia: variable desreferenciada antes de verificar 'mca_funcs' (ver línea 368) 357 int amdgpu_mca_smu_get_mca_entry(struct amdgpu_device *adev, enum amdgpu_mca_error_type type, 358 int idx, struct mca_bank_entry *entry) 359 { 360 const struct amdgpu_mca_smu_funcs *mca_funcs = adev- >mca.mca_funcs; 361 recuentos internacionales; 362 363 interruptor (tipo) { 364 caso AMDGPU_MCA_ERROR_TYPE_UE: 365 recuento = mca_funcs->max_ue_count; Aquí se elimina la referencia a mca_funcs. 366 descanso; 367 caso AMDGPU_MCA_ERROR_TYPE_CE: 368 recuento = mca_funcs->max_ce_count; Aquí se elimina la referencia a mca_funcs. 369 descanso; 370 predeterminado: 371 retorno -EINVAL; 372 } 373 374 si (idx >= recuento) 375 retorno -EINVAL; 376 377 if (mca_funcs && mca_funcs->mca_get_mca_entry) ^^^^^^^^^ ¡Comprobado demasiado tarde! • https://git.kernel.org/stable/c/7b5d58c07024516c0e81b95e98f37710cf402c53 https://git.kernel.org/stable/c/4f32504a2f85a7b40fe149436881381f48e9c0c0 https://access.redhat.com/security/cve/CVE-2024-26672 https://bugzilla.redhat.com/show_bug.cgi?id=2272814 • CWE-476: NULL Pointer Dereference •