Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from not properly saving host FPSIMD/SVE/SME state, which could lead to a QEMU crash or ptrace ABI change...

PT-2025-29001

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A NULL pointer dereference issue was identified in the mt7996 thermal init function within the mt7996 driver of the Linux kernel. The devm kasprintf function can return a NULL pointer ...

CVE-2025-22007

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix error code in chanallocskbcb The chanallocskbcb function is supposed to return error pointers on error. Returning NULL will lead to a NULL dereference...

CVE-2025-22006

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw: Fix NAPI registration sequence Registering the interrupts for TX or RX DMA Channels prior to registering their respective NAPI callbacks can result in a NULL pointer dereference. This is seen in...

CVE-2025-22001

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Fix integer overflow in qaicvalidatereq These are u64 variables that come from the user via qaicattachsliceboioctl. Use checkaddoverflow to ensure that the math doesn't have an integer wrapping bug...

CVE-2025-22000

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: drop beyond-EOF folios with the right number of refs When an after-split folio is large and needs to be dropped due to EOF, folioputrefsfolio, folionrpagesfolio should be used to drop all page cache refs. Otherwise...

CVE-2025-21995

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix fence reference count leak The lastscheduled fence leaks when an entity is being killed and adding the cleanup callback fails. Decrement the reference count of prev when dmafenceaddcallback fails, ensuring proper...

CVE-2025-22006 net: ethernet: ti: am65-cpsw: Fix NAPI registration sequence

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw: Fix NAPI registration sequence Registering the interrupts for TX or RX DMA Channels prior to registering their respective NAPI callbacks can result in a NULL pointer dereference. This is seen in...

CVE-2025-22004 net: atm: fix use after free in lec_send()

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix use after free in lecsend The -send operation frees skb so save the length before calling -send to avoid a use after free...

CVE-2025-22004 net: atm: fix use after free in lec_send()

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix use after free in lecsend The -send operation frees skb so save the length before calling -send to avoid a use after free...

CVE-2025-22004

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix use after free in lecsend The -send operation frees skb so save the length before calling -send to avoid a use after free...

CVE-2025-22005 ipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw().

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix memleak of nhcpcpurthoutput in fibchecknhv6gw. fibchecknhv6gw expects that fib6nhinit cleans up everything when it fails. Commit 7dd73168e273 "ipv6: Always allocate pcpu memory in a fib6nh" moved fibnhcommoninit before...

CVE-2025-22001 accel/qaic: Fix integer overflow in qaic_validate_req()

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Fix integer overflow in qaicvalidatereq These are u64 variables that come from the user via qaicattachsliceboioctl. Use checkaddoverflow to ensure that the math doesn't have an integer wrapping bug...

CVE-2025-22002

In the Linux kernel, the following vulnerability has been resolved: netfs: Call invalidatecache only if implemented Many filesystems such as NFS and Ceph do not implement the invalidatecache method. On those filesystems, if writing to the cache NETFSWRITETOCACHE fails for some reason, the kernel...

CVE-2025-22001

CVE-2025-22001 relates to the Linux kernel, where an integer overflow could occur in qaic_validate_req() due to u64 values supplied from user space via qaic_attach_slice_bo_ioctl(). The vulnerability was fixed by ensuring calculations don’t wrap using check_add_overflow() (kernel fixes referenced...

CVE-2025-22000 mm/huge_memory: drop beyond-EOF folios with the right number of refs

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: drop beyond-EOF folios with the right number of refs When an after-split folio is large and needs to be dropped due to EOF, folioputrefsfolio, folionrpagesfolio should be used to drop all page cache refs. Otherwise...

CVE-2025-22000

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: drop beyond-EOF folios with the right number of refs When an after-split folio is large and needs to be dropped due to EOF, folioputrefsfolio, folionrpagesfolio should be used to drop all page cache refs. Otherwise...

CVE-2025-21997

CVE-2025-21997 : In the Linux kernel, a vulnerability in the XDP socket (xsk) path fixes an integer overflow in xp_create_and_assign_umem(). Because i and pool->chunk_size are 32‑bit values, their product can wrap and be cast to 64‑bit, which may cause two distinct XDP buffers to point to the ...

CVE-2025-21996

The CVE-2025-21996 entry concerns the Linux kernel, specifically drm/radeon: fix uninitialized size issue in radeon_vce_cs_parse(). The root cause is that, when a user-space command stream via ioctl to radeon_vce_cs_parse() begins with an encode (case 0x03000001), the function may call radeon_vce...

CVE-2025-21995

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix fence reference count leak The lastscheduled fence leaks when an entity is being killed and adding the cleanup callback fails. Decrement the reference count of prev when dmafenceaddcallback fails, ensuring proper...