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

27 Dec 2024 — In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Add sanity NULL check for the default mmap fault handler A driver might allow the mmap access before initializing its runtime->dma_area properly. Add a proper NULL check before passing to virt_to_page() for avoiding a panic. • https://git.kernel.org/stable/c/8799f4332a9fd812eadfbc32fc5104d6292f754f •

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

27 Dec 2024 — In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free of signing key Customers have reported use-after-free in @ses->auth_key.response with SMB2.1 + sign mounts which occurs due to following race: task A task B cifs_mount() dfs_mount_share() get_session() cifs_mount_get_session() cifs_send_recv() cifs_get_smb_ses() compound_send_recv() cifs_setup_session() smb2_setup_request() kfree_sensitive() ... • https://git.kernel.org/stable/c/0e2b654a3848bf9da3b0d54c1ccf3f1b8c635591 •

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

27 Dec 2024 — In the Linux kernel, the following vulnerability has been resolved: smb: prevent use-after-free due to open_cached_dir error paths If open_cached_dir() encounters an error parsing the lease from the server, the error handling may race with receiving a lease break, resulting in open_cached_dir() freeing the cfid while the queued work is pending. Update open_cached_dir() to drop refs rather than directly freeing the cfid. Have cached_dir_lease_break(), cfids_laundromat_worker(), and invalidate_all_cached_... • https://git.kernel.org/stable/c/791f833053578b9fd24252ebb7162a61bc3f805b •

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

27 Dec 2024 — In the Linux kernel, the following vulnerability has been resolved: SUNRPC: make sure cache entry active before cache_show The function `c_show` was called with protection from RCU. This only ensures that `cp` will not be freed. Therefore, the reference count for `cp` can drop to zero, which will trigger a refcount use-after-free warning when `cache_get` is called. To resolve this issue, use `cache_get_rcu` to ensure that `cp` remains active. ------------[ cut here ]------------ refcount_t: addition on 0... • https://git.kernel.org/stable/c/e9be26735d055c42543a4d047a769cc6d0fb1504 •

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

27 Dec 2024 — In the Linux kernel, the following vulnerability has been resolved: NFSv4.0: Fix a use-after-free problem in the asynchronous open() Yang Erkun reports that when two threads are opening files at the same time, and are forced to abort before a reply is seen, then the call to nfs_release_seqid() in nfs4_opendata_free() can result in a use-after-free of the pointer to the defunct rpc task of the other thread. The fix is to ensure that if the RPC call is aborted before the call to nfs_wait_on_sequence() is co... • https://git.kernel.org/stable/c/24ac23ab88df5b21b5b2df8cde748bf99b289099 •

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

27 Dec 2024 — In the Linux kernel, the following vulnerability has been resolved: sh: intc: Fix use-after-free bug in register_intc_controller() In the error handling for this function, d is freed without ever removing it from intc_list which would lead to a use after free. To fix this, let's only add it to the list after everything has succeeded. • https://git.kernel.org/stable/c/2dcec7a988a1895540460a0bf5603bab63d5a3ed •

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

27 Dec 2024 — In the Linux kernel, the following vulnerability has been resolved: sh: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK When CONFIG_CPUMASK_OFFSTACK and CONFIG_DEBUG_PER_CPU_MAPS are selected, cpu_max_bits_warn() generates a runtime warning similar as below when showing /proc/cpuinfo. Fix this by using nr_cpu_ids (the runtime limit) instead of NR_CPUS to iterate CPUs. [ 3.052463] ------------[ cut here ]------------ [ 3.059679] WARNING: CPU: 3 PID: 1 at include/linux/cpumask.h:108 show_cpuinfo+0... • https://git.kernel.org/stable/c/8fbb57eabfc8ae67115cb47f904614c99d626a89 •

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

27 Dec 2024 — In the Linux kernel, the following vulnerability has been resolved: net: sched: fix ordering of qlen adjustment Changes to sch->q.qlen around qdisc_tree_reduce_backlog() need to happen _before_ a call to said function because otherwise it may fail to notify parent qdiscs when the child is about to become empty. • https://git.kernel.org/stable/c/489422e2befff88a1de52b2acebe7b333bded025 •

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

24 Dec 2024 — In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: add range check for conn_rsp_epid in htc_connect_service() I found the following bug in my fuzzer: UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath9k/htc_hst.c:26:51 index 255 is out of range for type 'htc_endpoint [22]' CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.11.0-rc6-dirty #14 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 Workqueue: events request_fir... • https://git.kernel.org/stable/c/fb9987d0f748c983bb795a86f47522313f701a08 •

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

24 Dec 2024 — In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix uninitialized value in ocfs2_file_read_iter() Syzbot has reported the following KMSAN splat: BUG: KMSAN: uninit-value in ocfs2_file_read_iter+0x9a4/0xf80 ocfs2_file_read_iter+0x9a4/0xf80 __io_read+0x8d4/0x20f0 io_read+0x3e/0xf0 io_issue_sqe+0x42b/0x22c0 io_wq_submit_work+0xaf9/0xdc0 io_worker_handle_work+0xd13/0x2110 io_wq_worker+0x447/0x1410 ret_from_fork+0x6f/0x90 ret_from_fork_asm+0x1a/0x30 Uninit was created at: ... • https://git.kernel.org/stable/c/7cdfc3a1c3971c9125c317cb8c2525745851798e •