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CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0

15 Jul 2024 — In the Linux kernel, the following vulnerability has been resolved: tcp: avoid too many retransmit packets If a TCP socket is using TCP_USER_TIMEOUT, and the other peer retracted its window to zero, tcp_retransmit_timer() can retransmit a packet every two jiffies (2 ms for HZ=1000), for about 4 minutes after TCP_USER_TIMEOUT has 'expired'. The fix is to make sure tcp_rtx_probe0_timed_out() takes icsk->icsk_user_timeout into account. Before blamed commit, the socket would not timeout after icsk->icsk_user_ti... • https://git.kernel.org/stable/c/b701a99e431db784714c32fc6b68123045714679 • CWE-99: Improper Control of Resource Identifiers ('Resource Injection') •

CVSS: 7.8EPSS: 0%CPEs: 8EXPL: 0

14 Jul 2024 — In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix UAF in svc_tcp_listen_data_ready() After the listener svc_sock is freed, and before invoking svc_tcp_accept() for the established child sock, there is a window that the newsock retaining a freed listener svc_sock in sk_user_data which cloning from parent. In the race window, if data is received on the newsock, we will observe use-after-free report in svc_tcp_listen_data_ready(). Reproduce by two tasks: 1. while :; do rpc.nfsd 0 ... • https://git.kernel.org/stable/c/fa9251afc33c81606d70cfe91800a779096442ec •

CVSS: 5.5EPSS: 0%CPEs: 9EXPL: 0

12 Jul 2024 — In the Linux kernel, the following vulnerability has been resolved: netrom: Fix a memory leak in nr_heartbeat_expiry() syzbot reported a memory leak in nr_create() [0]. Commit 409db27e3a2e ("netrom: Fix use-after-free of a listening socket.") added sock_hold() to the nr_heartbeat_expiry() function, where a) a socket has a SOCK_DESTROY flag or b) a listening socket has a SOCK_DEAD flag. But in the case "a," when the SOCK_DESTROY flag is set, the file descriptor has already been closed and the nr_release() fu... • https://git.kernel.org/stable/c/a31caf5779ace8fa98b0d454133808e082ee7a1b •

CVSS: 4.7EPSS: 0%CPEs: 6EXPL: 0

12 Jul 2024 — In the Linux kernel, the following vulnerability has been resolved: netpoll: Fix race condition in netpoll_owner_active KCSAN detected a race condition in netpoll: BUG: KCSAN: data-race in net_rx_action / netpoll_send_skb write (marked) to 0xffff8881164168b0 of 4 bytes by interrupt on cpu 10: net_rx_action (./include/linux/netpoll.h:90 net/core/dev.c:6712 net/core/dev.c:6822) read to 0xffff8881164168b0 of 4 bytes by task 1 on cpu 2: netpoll_send_skb (net/core/netpoll.c:319 net/core/netpoll.c:345 net/... • https://git.kernel.org/stable/c/43c0ca793a18578a0f5b305dd77fcf7ed99f1265 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 0EPSS: 0%CPEs: 6EXPL: 0

12 Jul 2024 — In the Linux kernel, the following vulnerability has been resolved: tracing: Build event generation tests only as modules The kprobes and synth event generation test modules add events and lock (get a reference) those event file reference in module init function, and unlock and delete it in module exit function. This is because those are designed for playing as modules. If we make those modules as built-in, those events are left locked in the kernel, and never be removed. This causes kprobe event self-test ... • https://git.kernel.org/stable/c/9fe41efaca08416657efa8731c0d47ccb6a3f3eb •

CVSS: 5.5EPSS: 0%CPEs: 5EXPL: 0

12 Jul 2024 — In the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/sec - Fix memory leak for sec resource release The AIV is one of the SEC resources. When releasing resources, it need to release the AIV resources at the same time. Otherwise, memory leakage occurs. The aiv resource release is added to the sec resource release function. In the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/sec - Fix memory leak for sec resource release The AIV is one of the ... • https://git.kernel.org/stable/c/a886bcb0f67d1e3d6b2da25b3519de59098200c2 •

CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0

12 Jul 2024 — In the Linux kernel, the following vulnerability has been resolved: io_uring/sqpoll: work around a potential audit memory leak kmemleak complains that there's a memory leak related to connect handling: unreferenced object 0xffff0001093bdf00 (size 128): comm "iou-sqp-455", pid 457, jiffies 4294894164 hex dump (first 32 bytes): 02 00 fa ea 7f 00 00 01 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 2e481b1a): [<00000000c0a26af4>] kmemlea... • https://git.kernel.org/stable/c/55c22375cbaa24f77dd13f9ae0642915444a1227 • CWE-402: Transmission of Private Resources into a New Sphere ('Resource Leak') •

CVSS: 7.8EPSS: 0%CPEs: 6EXPL: 0

12 Jul 2024 — In the Linux kernel, the following vulnerability has been resolved: block/ioctl: prefer different overflow check Running syzkaller with the newly reintroduced signed integer overflow sanitizer shows this report: [ 62.982337] ------------[ cut here ]------------ [ 62.985692] cgroup: Invalid name [ 62.986211] UBSAN: signed-integer-overflow in ../block/ioctl.c:36:46 [ 62.989370] 9pnet_fd: p9_fd_create_tcp (7343): problem connecting socket to 127.0.0.1 [ 62.992992] 9223372036854775807 + 4095 cannot be represent... • https://git.kernel.org/stable/c/58706e482bf45c4db48b0c53aba2468c97adda24 •

CVSS: 3.6EPSS: 0%CPEs: 2EXPL: 0

12 Jul 2024 — In the Linux kernel, the following vulnerability has been resolved: net: ena: Add validation for completion descriptors consistency Validate that `first` flag is set only for the first descriptor in multi-buffer packets. In case of an invalid descriptor, a reset will occur. A new reset reason for RX data corruption has been added. In the Linux kernel, the following vulnerability has been resolved: net: ena: Add validation for completion descriptors consistency Validate that `first` flag is set only for the ... • https://git.kernel.org/stable/c/42146ee5286f16f1674a84f7c274dcca65c6ff2e •

CVSS: 5.5EPSS: 0%CPEs: 3EXPL: 0

12 Jul 2024 — In the Linux kernel, the following vulnerability has been resolved: ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super() In the following concurrency we will access the uninitialized rs->lock: ext4_fill_super ext4_register_sysfs // sysfs registered msg_ratelimit_interval_ms // Other processes modify rs->interval to // non-zero via msg_ratelimit_interval_ms ext4_orphan_cleanup ext4_msg(sb, KERN_INFO, "Errors on filesystem, " __ext4_msg ___ratelimit(&(EXT4_SB(sb)->s_msg_ratelimit_state)... • https://git.kernel.org/stable/c/23afcd52af06880c6c913a0ad99022b8937b575c •