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

21 Oct 2024 — In the Linux kernel, the following vulnerability has been resolved: f2fs: get rid of online repaire on corrupted directory syzbot reports a f2fs bug as below: kernel BUG at fs/f2fs/inode.c:896! RIP: 0010:f2fs_evict_inode+0x1598/0x15c0 fs/f2fs/inode.c:896 Call Trace: evict+0x532/0x950 fs/inode.c:704 dispose_list fs/inode.c:747 [inline] evict_inodes+0x5f9/0x690 fs/inode.c:797 generic_shutdown_super+0x9d/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1696 kill_f2fs_super+0x344/0x690 fs/f2f... • https://git.kernel.org/stable/c/510022a85839a8409d1e6a519bb86ce71a84f30a •

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

21 Oct 2024 — In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put() syzbot reported that nf_reject_ip6_tcphdr_put() was possibly sending garbage on the four reserved tcp bits (th->res1) Use skb_put_zero() to clear the whole TCP header, as done in nf_reject_ip_tcphdr_put() BUG: KMSAN: uninit-value in nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255 nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6... • https://git.kernel.org/stable/c/c8d7b98bec43faaa6583c3135030be5eb4693acb •

CVSS: -EPSS: 0%CPEs: 10EXPL: 0

21 Oct 2024 — In the Linux kernel, the following vulnerability has been resolved: tcp: check skb is non-NULL in tcp_rto_delta_us() We have some machines running stock Ubuntu 20.04.6 which is their 5.4.0-174-generic kernel that are running ceph and recently hit a null ptr dereference in tcp_rearm_rto(). Initially hitting it from the TLP path, but then later we also saw it getting hit from the RACK case as well. Here are examples of the oops messages we saw in each of those cases: Jul 26 15:05:02 rx [11061395.780353] BU... • https://git.kernel.org/stable/c/e1a10ef7fa876f8510aaec36ea5c0cf34baba410 •

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

21 Oct 2024 — In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip Recompute DSC Params if no Stream on Link [why] Encounter NULL pointer dereference uner mst + dsc setup. BUG: kernel NULL pointer dereference, address: 0000000000000008 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 4 PID: 917 Comm: sway Not tainted 6.3.9-arch1-1 #1 124dc55df4f5272ccb409f39ef4872fc2b3376a2 Hardware name: LENOVO 20NKS01Y00/20NKS01Y00, BIOS R12ET61W(1.31 ) 07/28/2022 RIP: 0010:... • https://git.kernel.org/stable/c/7c887efda1201110211fed8921a92a713e0b6bcd •

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

21 Oct 2024 — In the Linux kernel, the following vulnerability has been resolved: vfs: fix race between evice_inodes() and find_inode()&iput() Hi, all Recently I noticed a bug[1] in btrfs, after digged it into and I believe it'a race in vfs. Let's assume there's a inode (ie ino 261) with i_count 1 is called by iput(), and there's a concurrent thread calling generic_shutdown_super(). cpu0: cpu1: iput() // i_count is 1 ->spin_lock(inode) ->dec i_count to 0 ->iput_final() ... • https://git.kernel.org/stable/c/63997e98a3be68d7cec806d22bf9b02b2e1daabb •

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

21 Oct 2024 — In the Linux kernel, the following vulnerability has been resolved: icmp: change the order of rate limits ICMP messages are ratelimited : After the blamed commits, the two rate limiters are applied in this order: 1) host wide ratelimit (icmp_global_allow()) 2) Per destination ratelimit (inetpeer based) In order to avoid side-channels attacks, we need to apply the per destination check first. This patch makes the following change : 1) icmp_global_allow() checks if the host wide limit is reached. B... • https://git.kernel.org/stable/c/4cdf507d54525842dfd9f6313fdafba039084046 •

CVSS: -EPSS: 0%CPEs: 7EXPL: 0

15 Oct 2024 — In the Linux kernel, the following vulnerability has been resolved: mm: avoid leaving partial pfn mappings around in error case As Jann points out, PFN mappings are special, because unlike normal memory mappings, there is no lifetime information associated with the mapping - it is just a raw mapping of PFNs with no reference counting of a 'struct page'. That's all very much intentional, but it does mean that it's easy to mess up the cleanup in case of errors. Yes, a failed mmap() will always eventually ... • https://git.kernel.org/stable/c/3213fdcab961026203dd587a4533600c70b3336b •

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

09 Oct 2024 — In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: pause TCM when the firmware is stopped Not doing so will make us send a host command to the transport while the firmware is not alive, which will trigger a WARNING. bad state = 0 WARNING: CPU: 2 PID: 17434 at drivers/net/wireless/intel/iwlwifi/iwl-trans.c:115 iwl_trans_send_cmd+0x1cb/0x1e0 [iwlwifi] RIP: 0010:iwl_trans_send_cmd+0x1cb/0x1e0 [iwlwifi] Call Trace: iwl_mvm_send_cmd+0x40/0xc0 [iwlmvm] iwl_mvm_con... • https://git.kernel.org/stable/c/a15df5f37fa3a8b7a8ec7a339d1e897bc524e28f •

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

09 Oct 2024 — In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: don't wait for tx queues if firmware is dead There is a WARNING in iwl_trans_wait_tx_queues_empty() (that was recently converted from just a message), that can be hit if we wait for TX queues to become empty after firmware died. Clearly, we can't expect anything from the firmware after it's declared dead. Don't call iwl_trans_wait_tx_queues_empty() in this case. While it could be a good idea to stop the flow earlier, ... • https://git.kernel.org/stable/c/ad2fcc2daa203a6ad491f00e9ae3b7867e8fe0f3 •

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

09 Oct 2024 — In the Linux kernel, the following vulnerability has been resolved: ocfs2: add bounds checking to ocfs2_xattr_find_entry() Add a paranoia check to make sure it doesn't stray beyond valid memory region containing ocfs2 xattr entries when scanning for a match. It will prevent out-of-bound access in case of crafted images. Ubuntu Security Notice 7166-3 - Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. • https://git.kernel.org/stable/c/b49a786beb11ff740cb9e0c20b999c2a0e1729c2 •