DEBIAN-CVE-2025-39846

In the Linux kernel, the following vulnerability has been resolved: pcmcia: Fix a NULL pointer dereference in iodynfindioregion In iodynfindioregion, pcmciamakeresource is assigned to res and used in pcibusallocresource. There is a dereference of res in pcibusallocresource, which could lead to a...

CVE-2025-39846 pcmcia: Fix a NULL pointer dereference in __iodyn_find_io_region()

In the Linux kernel, the following vulnerability has been resolved: pcmcia: Fix a NULL pointer dereference in iodynfindioregion In iodynfindioregion, pcmciamakeresource is assigned to res and used in pcibusallocresource. There is a dereference of res in pcibusallocresource, which could lead to a...

CVE-2025-39846

In the Linux kernel, the following vulnerability has been resolved: pcmcia: Fix a NULL pointer dereference in iodynfindioregion In iodynfindioregion, pcmciamakeresource is assigned to res and used in pcibusallocresource. There is a dereference of res in pcibusallocresource, which could lead to a...

PT-2025-41377

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Linux kernel’s io uring functionality within the io link skb function. A bug causes an incorrect assignment of prev notif using nd instead of prev nd during contex...

SUSE CVE-2023-53429

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't check PageError in extentwritepage extentwritepage currenly sets PageError whenever any error happens, and the also checks for PageError to decide if to call error handling. This leads to very unclear responsibility...

CVE-2023-53421 blk-cgroup: Reinit blkg_iostat_set after clearing in blkcg_reset_stats()

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkgiostatset after clearing in blkcgresetstats When blkgalloc is called to allocate a blkcggq structure with the associated blkgiostatset's, there are 2 fields within blkgiostatset that requires proper...

CVE-2023-53421

CVE-2023-53421 affects the Linux kernel blk-cgroup: when blkcg_reset_stats() clears memory for blkg_iostat_set, the fields blkg and sync are not properly re‑initialized, risking a NULL pointer dereference in blkg and potentially a kernel panic (and a lockdep issue in debug builds). The advisory f...

CVE-2022-50388

In the Linux kernel, the following vulnerability has been resolved: nvme: fix multipath crash caused by flush request when blktrace is enabled The flush request initialized by blkkickflush has NULL bio, and it may be dealt with nvmeendreq during io completion. When blktrace is enabled,...

CVE-2022-50388 nvme: fix multipath crash caused by flush request when blktrace is enabled

In the Linux kernel, the following vulnerability has been resolved: nvme: fix multipath crash caused by flush request when blktrace is enabled The flush request initialized by blkkickflush has NULL bio, and it may be dealt with nvmeendreq during io completion. When blktrace is enabled,...

CVE-2025-30187

In some circumstances, when DNSdist is configured to use the nghttp2 library to process incoming DNS over HTTPS queries, an attacker might be able to cause a denial of service by crafting a DoH exchange that triggers an unbounded I/O read loop, causing an unexpected consumption of CPU resources...

CVE-2025-30187

In some circumstances, when DNSdist is configured to use the nghttp2 library to process incoming DNS over HTTPS queries, an attacker might be able to cause a denial of service by crafting a DoH exchange that triggers an unbounded I/O read loop, causing an unexpected consumption of CPU resources...

CVE-2025-30187

In some circumstances, when DNSdist is configured to use the nghttp2 library to process incoming DNS over HTTPS queries, an attacker might be able to cause a denial of service by crafting a DoH exchange that triggers an unbounded I/O read loop, causing an unexpected consumption of CPU resources...

PT-2025-40626

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak exists in the SMB client within the Linux kernel, specifically within the smbd negotiate function's error handling path. The leak occurs due to objects remaining on kmem...

CVE-2023-53366

In the Linux kernel, the following vulnerability has been resolved: block: be a bit more careful in checking for NULL bdev while polling Wei reports a crash with an application using polled IO: PGD 14265e067 P4D 14265e067 PUD 47ec50067 PMD 0 Oops: 0000 1 SMP CPU: 0 PID: 21915 Comm: iocore0 Kdump:...

DEBIAN-CVE-2023-53344

In the Linux kernel, the following vulnerability has been resolved: can: bcm: bcmtxsetup: fix KMSAN uninit-value in vfswrite Syzkaller reported the following issue: ===================================================== BUG: KMSAN: uninit-value in aiorwdone fs/aio.c:1520 inline BUG: KMSAN:...

UBUNTU-CVE-2023-53362

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: don't assume child devices are all fsl-mc devices Changes in VFIO caused a pseudo-device to be created as child of fsl-mc devices causing a crash 1 when trying to bind a fsl-mc device to VFIO. Fix this by checking th...

UBUNTU-CVE-2023-53366

In the Linux kernel, the following vulnerability has been resolved: block: be a bit more careful in checking for NULL bdev while polling Wei reports a crash with an application using polled IO: PGD 14265e067 P4D 14265e067 PUD 47ec50067 PMD 0 Oops: 0000 1 SMP CPU: 0 PID: 21915 Comm: iocore0 Kdump:...

UBUNTU-CVE-2023-53360

In the Linux kernel, the following vulnerability has been resolved: NFSv4.2: Rework scratch handling for READPLUS again I found that the read code might send multiple requests using the same nfspgioheader, but nfs4procreadsetup is only called once. This is how we ended up occasionally...

CVE-2023-53366 block: be a bit more careful in checking for NULL bdev while polling

In the Linux kernel, the following vulnerability has been resolved: block: be a bit more careful in checking for NULL bdev while polling Wei reports a crash with an application using polled IO: PGD 14265e067 P4D 14265e067 PUD 47ec50067 PMD 0 Oops: 0000 1 SMP CPU: 0 PID: 21915 Comm: iocore0 Kdump:...

CVE-2023-53366

CVE-2023-53366 (Linux kernel)修正了在轮询时未正确检查 bio->bi_bdev 是否为 NULL 的漏洞，根本原因是在两任务共用轮询队列时，任务 B 可能在任务 A 仍在轮询时将 IO 重新分配给 bio，导致崩溃（kernel oops）。影响点在块层的 bio_poll/io_do_iopoll/io_uring_enter 路径，已通过内核修复在对 NULL bdev 的检查中加强保护。CVSSv3.1 向量为 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H，基线分数 5.5（中等），局部可利用且无需用户交互，影响的为可用...