CVSS: 8.1EPSS: 0%CPEs: 3EXPL: 0CVE-2024-36913 – Drivers: hv: vmbus: Leak pages if set_memory_encrypted() fails
https://notcve.org/view.php?id=CVE-2024-36913
30 May 2024 — In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Leak pages if set_memory_encrypted() fails In CoCo VMs it is possible for the untrusted host to cause set_memory_encrypted() or set_memory_decrypted() to fail such that an error is returned and the resulting memory is shared. Callers need to take care to handle these errors to avoid returning decrypted (shared) memory to the page allocator, which could lead to functional or security issues. VMBus code could free decrypte... • https://git.kernel.org/stable/c/6123a4e8e25bd40cf44db14694abac00e6b664e6 • CWE-1258: Exposure of Sensitive System Information Due to Uncleared Debug Information •
CVSS: 8.1EPSS: 0%CPEs: 4EXPL: 0CVE-2024-36912 – Drivers: hv: vmbus: Track decrypted status in vmbus_gpadl
https://notcve.org/view.php?id=CVE-2024-36912
30 May 2024 — In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Track decrypted status in vmbus_gpadl In CoCo VMs it is possible for the untrusted host to cause set_memory_encrypted() or set_memory_decrypted() to fail such that an error is returned and the resulting memory is shared. Callers need to take care to handle these errors to avoid returning decrypted (shared) memory to the page allocator, which could lead to functional or security issues. In order to make sure callers of vm... • https://git.kernel.org/stable/c/1999644d95194d4a58d3e80ad04ce19220a01a81 • CWE-1258: Exposure of Sensitive System Information Due to Uncleared Debug Information •
CVSS: 5.5EPSS: 0%CPEs: 3EXPL: 0CVE-2024-36911 – hv_netvsc: Don't free decrypted memory
https://notcve.org/view.php?id=CVE-2024-36911
30 May 2024 — In the Linux kernel, the following vulnerability has been resolved: hv_netvsc: Don't free decrypted memory In CoCo VMs it is possible for the untrusted host to cause set_memory_encrypted() or set_memory_decrypted() to fail such that an error is returned and the resulting memory is shared. Callers need to take care to handle these errors to avoid returning decrypted (shared) memory to the page allocator, which could lead to functional or security issues. The netvsc driver could free decrypted/shared pages if... • https://git.kernel.org/stable/c/a56fe611326332bf6b7126e5559590c57dcebad4 •
CVSS: 6.2EPSS: 0%CPEs: 4EXPL: 0CVE-2024-36910 – uio_hv_generic: Don't free decrypted memory
https://notcve.org/view.php?id=CVE-2024-36910
30 May 2024 — In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Don't free decrypted memory In CoCo VMs it is possible for the untrusted host to cause set_memory_encrypted() or set_memory_decrypted() to fail such that an error is returned and the resulting memory is shared. Callers need to take care to handle these errors to avoid returning decrypted (shared) memory to the page allocator, which could lead to functional or security issues. The VMBus device UIO driver could free decrypted/... • https://git.kernel.org/stable/c/dabf12bf994318d939f70d47cfda30e47abb2c54 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0CVE-2024-36909 – Drivers: hv: vmbus: Don't free ring buffers that couldn't be re-encrypted
https://notcve.org/view.php?id=CVE-2024-36909
30 May 2024 — In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Don't free ring buffers that couldn't be re-encrypted In CoCo VMs it is possible for the untrusted host to cause set_memory_encrypted() or set_memory_decrypted() to fail such that an error is returned and the resulting memory is shared. Callers need to take care to handle these errors to avoid returning decrypted (shared) memory to the page allocator, which could lead to functional or security issues. The VMBus ring buff... • https://git.kernel.org/stable/c/2f622008bf784a9f5dd17baa19223cc2ac30a039 •
CVSS: 7.1EPSS: 0%CPEs: 3EXPL: 0CVE-2024-36908 – blk-iocost: do not WARN if iocg was already offlined
https://notcve.org/view.php?id=CVE-2024-36908
30 May 2024 — In the Linux kernel, the following vulnerability has been resolved: blk-iocost: do not WARN if iocg was already offlined In iocg_pay_debt(), warn is triggered if 'active_list' is empty, which is intended to confirm iocg is active when it has debt. However, warn can be triggered during a blkcg or disk removal, if iocg_waitq_timer_fn() is run at that time: WARNING: CPU: 0 PID: 2344971 at block/blk-iocost.c:1402 iocg_pay_debt+0x14c/0x190 Call trace: iocg_pay_debt+0x14c/0x190 iocg_kick_waitq+0x438/0x4c0 iocg_wa... • https://git.kernel.org/stable/c/7caa47151ab2e644dd221f741ec7578d9532c9a3 •
CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0CVE-2024-36907 – SUNRPC: add a missing rpc_stat for TCP TLS
https://notcve.org/view.php?id=CVE-2024-36907
30 May 2024 — In the Linux kernel, the following vulnerability has been resolved: SUNRPC: add a missing rpc_stat for TCP TLS Commit 1548036ef120 ("nfs: make the rpc_stat per net namespace") added functionality to specify rpc_stats function but missed adding it to the TCP TLS functionality. As the result, mounting with xprtsec=tls lead to the following kernel oops. [ 128.984192] Unable to handle kernel NULL pointer dereference at virtual address 000000000000001c [ 128.985058] Mem abort info: [ 128.985372] ESR = 0x00000000... • https://git.kernel.org/stable/c/19f51adc778fb84c2eb07eb71800fb0d9f0ff13a •
CVSS: 4.4EPSS: 0%CPEs: 5EXPL: 0CVE-2024-36906 – ARM: 9381/1: kasan: clear stale stack poison
https://notcve.org/view.php?id=CVE-2024-36906
30 May 2024 — In the Linux kernel, the following vulnerability has been resolved: ARM: 9381/1: kasan: clear stale stack poison We found below OOB crash: [ 33.452494] ================================================================== [ 33.453513] BUG: KASAN: stack-out-of-bounds in refresh_cpu_vm_stats.constprop.0+0xcc/0x2ec [ 33.454660] Write of size 164 at addr c1d03d30 by task swapper/0/0 [ 33.455515] [ 33.455767] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G O 6.1.25-mainline #1 [ 33.456880] Hardware name: Generic DT based ... • https://git.kernel.org/stable/c/5615f69bc2097452ecc954f5264d784e158d6801 •
CVSS: 9.8EPSS: 0%CPEs: 8EXPL: 0CVE-2024-36905 – tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets
https://notcve.org/view.php?id=CVE-2024-36905
30 May 2024 — In the Linux kernel, the following vulnerability has been resolved: tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets TCP_SYN_RECV state is really special, it is only used by cross-syn connections, mostly used by fuzzers. In the following crash [1], syzbot managed to trigger a divide by zero in tcp_rcv_space_adjust() A socket makes the following state transitions, without ever calling tcp_init_transfer(), meaning tcp_init_buffer_space() is also not called. TCP_CLOSE connect() TCP_SYN_SENT TCP_SYN_... • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 • CWE-369: Divide By Zero •
CVSS: 7.0EPSS: 0%CPEs: 8EXPL: 0CVE-2024-36904 – tcp: Use refcount_inc_not_zero() in tcp_twsk_unique().
https://notcve.org/view.php?id=CVE-2024-36904
30 May 2024 — In the Linux kernel, the following vulnerability has been resolved: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique(). Anderson Nascimento reported a use-after-free splat in tcp_twsk_unique() with nice analysis. Since commit ec94c2696f0b ("tcp/dccp: avoid one atomic operation for timewait hashdance"), inet_twsk_hashdance() sets TIME-WAIT socket's sk_refcnt after putting it into ehash and releasing the bucket lock. Thus, there is a small race window where other threads could try to reuse the port during ... • https://git.kernel.org/stable/c/ec94c2696f0bcd5ae92a553244e4ac30d2171a2d • CWE-416: Use After Free •