CVE-2025-21930 wifi: iwlwifi: mvm: don't try to talk to a dead firmware

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: don't try to talk to a dead firmware This fixes: bad state = 0 WARNING: CPU: 10 PID: 702 at drivers/net/wireless/inel/iwlwifi/iwl-trans.c:178 iwltranssendcmd+0xba/0xe0 iwlwifi Call Trace: ? warn+0xca/0x1c0 ?...

CVE-2025-21930 wifi: iwlwifi: mvm: don't try to talk to a dead firmware

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: don't try to talk to a dead firmware This fixes: bad state = 0 WARNING: CPU: 10 PID: 702 at drivers/net/wireless/inel/iwlwifi/iwl-trans.c:178 iwltranssendcmd+0xba/0xe0 iwlwifi Call Trace: ? warn+0xca/0x1c0 ?...

CVE-2025-21927 nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu()

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix potential memory corruption in nvmetcprecvpdu nvmetcprecvpdu doesn't check the validity of the header length. When header digests are enabled, a target might send a packet with an invalid header length e.g. 255,...

CVE-2025-21926

CVE-2025-21926 affects the Linux kernel net: gso code path, specifically __udp_gso_segment. The destructor for the skb is removed before segmenting, but the socket reference is left intact. If the original skb is later orphaned, a kernel bug can trigger (skb_orphan crash in ip_rcv_core). The issu...

CVE-2025-21925 llc: do not use skb_get() before dev_queue_xmit()

In the Linux kernel, the following vulnerability has been resolved: llc: do not use skbget before devqueuexmit syzbot is able to crash hosts 1, using llc and devices not supporting IFFTXSKBSHARING. In this case, e1000 driver calls ethskbpad, while the skb is shared. Simply replace skbget by...

CVE-2025-21926 net: gso: fix ownership in __udp_gso_segment

In the Linux kernel, the following vulnerability has been resolved: net: gso: fix ownership in udpgsosegment In udpgsosegment the skb destructor is removed before segmenting the skb but the socket reference is kept as-is. This is an issue if the original skb is later orphaned as we can hit the...

CVE-2025-21923 HID: hid-steam: Fix use-after-free when detaching device

In the Linux kernel, the following vulnerability has been resolved: HID: hid-steam: Fix use-after-free when detaching device When a hid-steam device is removed it must clean up the clienthdev used for intercepting hidraw access. This can lead to scheduling deferred work to reattach the input...

CVE-2025-21924 net: hns3: make sure ptp clock is unregister and freed if hclge_ptp_get_cycle returns an error

In the Linux kernel, the following vulnerability has been resolved: net: hns3: make sure ptp clock is unregister and freed if hclgeptpgetcycle returns an error During the initialization of ptp, hclgeptpgetcycle might return an error and returned directly without unregister clock and free it. To...

CVE-2025-21921

CVE-2025-21921: In the Linux kernel, net: ethtool: netlink: Allow NULL nlattrs when getting a phy_device, the crash occurs in ethnl_req_get_phydev() when tb is NULL (e.g., ethnl notify path) and a phy_device lookup is performed. The fix passes the cmd index and nlattr array separately to allow NU...

CVE-2025-21919

CVE-2025-21919 (Linux kernel sched/fair): A memory-corruption issue was fixed in child_cfs_rq_on_list. The prev pointer used in converting to a cfs_rq could originate from rq->leaf_cfs_rq_list, making container_of incorrect and risking memory fault or garbage reads. The patch adds a guard: aft...

CVE-2025-21919 sched/fair: Fix potential memory corruption in child_cfs_rq_on_list

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix potential memory corruption in childcfsrqonlist childcfsrqonlist attempts to convert a 'prev' pointer to a cfsrq. This 'prev' pointer can originate from struct rq's leafcfsrqlist, making the conversion invalid and...

CVE-2025-21920

CVE-2025-21920 (Linux kernel VLAN subtype): The issue occurs when creating VLAN devices on non-Ethernet underlying devices, which can trigger an out-of-bounds read by dev_mc_add due to __dev_mc_add using dev->addr_len as the multicast length. The underlying cause is not enforcing the underlyin...

CVE-2025-21918 usb: typec: ucsi: Fix NULL pointer access

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Fix NULL pointer access Resources should be released only after all threads that utilize them have been destroyed. This commit ensures that resources are not released prematurely by waiting for the associated...

CVE-2025-21916 usb: atm: cxacru: fix a flaw in existing endpoint checks

In the Linux kernel, the following vulnerability has been resolved: usb: atm: cxacru: fix a flaw in existing endpoint checks Syzbot once again identified a flaw in usb endpoint checking, see 1. This time the issue stems from a commit authored by me 2eabb655a968 "usb: atm: cxacru: fix endpoint...

CVE-2025-21916

CVE-2025-21916 is part of Unity Linux/Fedora kernel advisories describing a fix for a flaw in USB ATM CXACRU endpoint checking. The root cause was insufficient verification of USB endpoint addresses in cxacru_bind(), leading to incorrect URB handling (e.g., bogus urb xfers). The mitigation is to ...

CVE-2025-21914

CVE-2025-21914 affects the Linux kernel Slimbus path (slimbus) where, in delayed interrupt scenarios, slim_do_transfer() returns a timeout but fails to free the associated transaction ID (TID). This leads to invalid memory access inside qcom_slim_ngd_rx_msgq_cb(), potentially causing a kernel pan...

CVE-2025-21913 x86/amd_nb: Use rdmsr_safe() in amd_get_mmconfig_range()

In the Linux kernel, the following vulnerability has been resolved: x86/amdnb: Use rdmsrsafe in amdgetmmconfigrange Xen doesn't offer MSRFAM10HMMIOCONFBASE to all guests. This results in the following warning: unchecked MSR access error: RDMSR from 0xc0010058 at rIP: 0xffffffff8101d19f...

CVE-2025-21910

CVE-2025-21910 affects the Linux kernel (wifi: cfg80211: regulatory) where invalid user regulatory hints could pass through via regulatory_hint_user() into user_alpha2[]. The root cause involves isalpha() handling non-Latin symbols and a subsequent toupper() mutation that bypassed a prior check. ...

CVE-2025-21911

CVE-2025-21911 concerns the Linux kernel DRM/imagination path where fence release could deadlock due to in-function fence release processing. The fix moves scheduler queue fence release processing to a workqueue, avoiding recursive locking (illustrated by a deadlock involving reservation_ww_class...

CVE-2025-21911 drm/imagination: avoid deadlock on fence release

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: avoid deadlock on fence release Do scheduler queue fence release processing on a workqueue, rather than in the release function itself. Fixes deadlock issues such as the following: 607.400437...