CVSS: 6.5EPSS: 0%CPEs: 5EXPL: 0CVE-2024-36968 – Bluetooth: L2CAP: Fix div-by-zero in l2cap_le_flowctl_init()
https://notcve.org/view.php?id=CVE-2024-36968
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix div-by-zero in l2cap_le_flowctl_init() l2cap_le_flowctl_init() can cause both div-by-zero and an integer overflow since hdev->le_mtu may not fall in the valid range. Move MTU from hci_dev to hci_conn to validate MTU and stop the connection process earlier if MTU is invalid. Also, add a missing validation in read_buffer_size() and make it return an error value if the validation fails. Now hci_conn_add() returns ERR_PTR() as it can fail due to the both a kzalloc failure and invalid MTU value. divide error: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 67 Comm: kworker/u5:0 Tainted: G W 6.9.0-rc5+ #20 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 Workqueue: hci0 hci_rx_work RIP: 0010:l2cap_le_flowctl_init+0x19e/0x3f0 net/bluetooth/l2cap_core.c:547 Code: e8 17 17 0c 00 66 41 89 9f 84 00 00 00 bf 01 00 00 00 41 b8 02 00 00 00 4c 89 fe 4c 89 e2 89 d9 e8 27 17 0c 00 44 89 f0 31 d2 <66> f7 f3 89 c3 ff c3 4d 8d b7 88 00 00 00 4c 89 f0 48 c1 e8 03 42 RSP: 0018:ffff88810bc0f858 EFLAGS: 00010246 RAX: 00000000000002a0 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffff88810bc0f7c0 RDI: ffffc90002dcb66f RBP: ffff88810bc0f880 R08: aa69db2dda70ff01 R09: 0000ffaaaaaaaaaa R10: 0084000000ffaaaa R11: 0000000000000000 R12: ffff88810d65a084 R13: dffffc0000000000 R14: 00000000000002a0 R15: ffff88810d65a000 FS: 0000000000000000(0000) GS:ffff88811ac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000100 CR3: 0000000103268003 CR4: 0000000000770ef0 PKRU: 55555554 Call Trace: <TASK> l2cap_le_connect_req net/bluetooth/l2cap_core.c:4902 [inline] l2cap_le_sig_cmd net/bluetooth/l2cap_core.c:5420 [inline] l2cap_le_sig_channel net/bluetooth/l2cap_core.c:5486 [inline] l2cap_recv_frame+0xe59d/0x11710 net/bluetooth/l2cap_core.c:6809 l2cap_recv_acldata+0x544/0x10a0 net/bluetooth/l2cap_core.c:7506 hci_acldata_packet net/bluetooth/hci_core.c:3939 [inline] hci_rx_work+0x5e5/0xb20 net/bluetooth/hci_core.c:4176 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x90f/0x1530 kernel/workqueue.c:3335 worker_thread+0x926/0xe70 kernel/workqueue.c:3416 kthread+0x2e3/0x380 kernel/kthread.c:388 ret_from_fork+0x5c/0x90 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: L2CAP: corrige div-by-zero en l2cap_le_flowctl_init() l2cap_le_flowctl_init() puede causar tanto div-by-zero como un desbordamiento de enteros ya que hdev->le_mtu puede no caer el rango válido. Mueva MTU de hci_dev a hci_conn para validar MTU y detener el proceso de conexión antes si MTU no es válido. Además, agregue una validación faltante en read_buffer_size() y haga que devuelva un valor de error si la validación falla. Ahora hci_conn_add() devuelve ERR_PTR() ya que puede fallar debido a una falla de kzalloc y un valor de MTU no válido. error de división: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 67 Comm: kworker/u5:0 Tainted: GW 6.9.0-rc5+ #20 Nombre de hardware: PC estándar QEMU (i440FX + PIIX, 1996), BIOS 1.15.0-1 01/04/2014 Cola de trabajo: hci0 hci_rx_work RIP: 0010:l2cap_le_flowctl_init+0x19e/0x3f0 net/bluetooth/l2cap_core.c:547 Código: e8 17 17 0c 00 66 41 89 9f 84 00 00 novio 01 00 00 00 41 b8 02 00 00 00 4c 89 fe 4c 89 e2 89 d9 e8 27 17 0c 00 44 89 f0 31 d2 <66> f7 f3 89 c3 ff c3 4d 8d b7 88 00 00 00 4c 89 f0 48 c1 e8 03 42 RSP: 0018:ffff88810bc0f858 EFLAGS: 00010246 RAX: 00000000000002a0 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 810bc0f7c0 RDI: ffffc90002dcb66f RBP: ffff88810bc0f880 R08: aa69db2dda70ff01 R09: 0000ffaaaaaaaaaa R10: 0084000000ffaaaa R11: 0000000000000000 R12 : ffff88810d65a084 R13: dffffc0000000000 R14: 00000000000002a0 R15: ffff88810d65a000 FS: 0000000000000000(0000) GS:ffff88811ac00000(0000) knlGS:00000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 50033 CR2: 0000000020000100 CR3: 0000000103268003 CR4: 0000000000770ef0 PKRU: 55555554 Seguimiento de llamadas: l2cap_le_connect_req net /bluetooth/l2cap_core.c:4902 [en línea] l2cap_le_sig_cmd net/bluetooth/l2cap_core.c:5420 [en línea] l2cap_le_sig_channel net/bluetooth/l2cap_core.c:5486 [en línea] l2cap_recv_frame+0xe59d/0x11710 net/bluetooth/l2cap_core.c: 6809 l2cap_recv_acldata+0x544/0x10a0 net/bluetooth/l2cap_core.c:7506 hci_acldata_packet net/bluetooth/hci_core.c:3939 [en línea] hci_rx_work+0x5e5/0xb20 net/bluetooth/hci_core.c:4176 Process_one_work kernel/workqueue.c: 3254 [en línea] Process_scheduled_works+0x90f/0x1530 kernel/workqueue.c:3335 trabajador_thread+0x926/0xe70 kernel/workqueue.c:3416 kthread+0x2e3/0x380 kernel/kthread.c:388 ret_from_fork+0x5c/0x90 arch/x86/kernel/ Process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Módulos vinculados en: ---[ end trace 0000000000000000 ]--- • https://git.kernel.org/stable/c/6ed58ec520ad2b2fe3f955c8a5fd0eecafccebdf https://git.kernel.org/stable/c/ad3f7986c5a0f82b8b66a0afe1cc1f5421e1d674 https://git.kernel.org/stable/c/dfece2b4e3759759b2bdfac2cd6d0ee9fbf055f3 https://git.kernel.org/stable/c/d2b2f7d3936dc5990549bc36ab7ac7ac37f22c30 https://git.kernel.org/stable/c/4d3dbaa252257d20611c3647290e6171f1bbd6c8 https://git.kernel.org/stable/c/a5b862c6a221459d54e494e88965b48dcfa6cc44 • CWE-190: Integer Overflow or Wraparound CWE-369: Divide By Zero •
CVSS: -EPSS: 0%CPEs: -EXPL: 0CVE-2023-49441
https://notcve.org/view.php?id=CVE-2023-49441
dnsmasq 2.9 is vulnerable to Integer Overflow via forward_query. dnsmasq 2.9 es vulnerable al desbordamiento de enteros a través de forward_query. • https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2023q4/017332.html https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=65c2d6afd67a032f45f40d7e4d620f5d73e5f07d •
CVSS: 10.0EPSS: 0%CPEs: 1EXPL: 1CVE-2024-5171 – heap buffer overflow in libaom
https://notcve.org/view.php?id=CVE-2024-5171
Integer overflow in libaom internal function img_alloc_helper can lead to heap buffer overflow. This function can be reached via 3 callers: * Calling aom_img_alloc() with a large value of the d_w, d_h, or align parameter may result in integer overflows in the calculations of buffer sizes and offsets and some fields of the returned aom_image_t struct may be invalid. * Calling aom_img_wrap() with a large value of the d_w, d_h, or align parameter may result in integer overflows in the calculations of buffer sizes and offsets and some fields of the returned aom_image_t struct may be invalid. * Calling aom_img_alloc_with_border() with a large value of the d_w, d_h, align, size_align, or border parameter may result in integer overflows in the calculations of buffer sizes and offsets and some fields of the returned aom_image_t struct may be invalid. • https://issues.chromium.org/issues/332382766 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6HYUEHZ35ZPY2EONVZCGO6LPT3AMLZCP https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U5NRNCEYS246CYGOR32MF7OGKWOWER22 • CWE-20: Improper Input Validation CWE-190: Integer Overflow or Wraparound •
CVSS: 9.1EPSS: 0%CPEs: 1EXPL: 1CVE-2024-36121 – netty-incubator-codec-ohttp's BoringSSLAEADContext Repeats Nonces
https://notcve.org/view.php?id=CVE-2024-36121
Unfortunately, two separate errors combine which would allow an attacker to cause the sequence number to overflow and thus the nonce to repeat. netty-incubator-codec-ohttp es la implementación OHTTP para netty. • https://github.com/netty/netty-incubator-codec-ohttp/blob/1ddadb6473cd3be5491d114431ed4c1a9f316001/codec-ohttp-hpke-classes-boringssl/src/main/java/io/netty/incubator/codec/hpke/boringssl/BoringSSLAEADContext.java#L112-L114 https://github.com/netty/netty-incubator-codec-ohttp/security/advisories/GHSA-g762-h86w-8749 • CWE-190: Integer Overflow or Wraparound CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-323: Reusing a Nonce, Key Pair in Encryption •
CVSS: 7.5EPSS: 0%CPEs: 4EXPL: 1CVE-2024-32975 – Envoy crashes in QuicheDataReader::PeekVarInt62Length()
https://notcve.org/view.php?id=CVE-2024-32975
It is caused by integer underflow in the `QuicStreamSequencerBuffer::PeekRegion()` implementation. • https://github.com/envoyproxy/envoy/security/advisories/GHSA-g9mq-6v96-cpqc • CWE-191: Integer Underflow (Wrap or Wraparound) •