UBUNTU-CVE-2025-37759

In the Linux kernel, the following vulnerability has been resolved: ublk: fix handling recovery & reissue in ublkabortqueue Commit 8284066946e6 "ublk: grab request reference when the request is handled by userspace" doesn't grab request reference in case of recovery reissue. Then the request can ...

CVE-2025-37791 ethtool: cmis_cdb: use correct rpl size in ethtool_cmis_module_poll()

In the Linux kernel, the following vulnerability has been resolved: ethtool: cmiscdb: use correct rpl size in ethtoolcmismodulepoll rpl is passed as a pointer to ethtoolcmismodulepoll, so the correct size of rpl is sizeofrpl which should be just 1 byte. Using the pointer size instead can cause...

CVE-2025-37773 virtiofs: add filesystem context source name check

In the Linux kernel, the following vulnerability has been resolved: virtiofs: add filesystem context source name check In certain scenarios, for example, during fuzz testing, the source name may be NULL, which could lead to a kernel panic. Therefore, an extra check for the source name should be...

CVE-2025-37773 virtiofs: add filesystem context source name check

In the Linux kernel, the following vulnerability has been resolved: virtiofs: add filesystem context source name check In certain scenarios, for example, during fuzz testing, the source name may be NULL, which could lead to a kernel panic. Therefore, an extra check for the source name should be...

CVE-2025-37773

CVE-2025-37773 : In the Linux kernel, the virtiofs subsystem was updated to fix a NULL source-name in the filesystem context source name check. In fuzzing-like scenarios, the source name may be NULL, potentially triggering a kernel panic. The connected advisories confirm the issue and describe th...

CVE-2025-37759 ublk: fix handling recovery & reissue in ublk_abort_queue()

In the Linux kernel, the following vulnerability has been resolved: ublk: fix handling recovery & reissue in ublkabortqueue Commit 8284066946e6 "ublk: grab request reference when the request is handled by userspace" doesn't grab request reference in case of recovery reissue. Then the request can ...

CVE-2025-37759

The CVE-2025-37759 issue affects the Linux kernel’s ublk driver. The root cause is that the change in the ublk_abort_queue path did not grab a request reference during recovery reissues, allowing a zc (zero-copy) request to be requeued and re-dispatched and potentially freed before io_uring could...

CVE-2025-37759 ublk: fix handling recovery & reissue in ublk_abort_queue()

In the Linux kernel, the following vulnerability has been resolved: ublk: fix handling recovery & reissue in ublkabortqueue Commit 8284066946e6 "ublk: grab request reference when the request is handled by userspace" doesn't grab request reference in case of recovery reissue. Then the request can ...

CVE-2025-23147 i3c: Add NULL pointer check in i3c_master_queue_ibi()

In the Linux kernel, the following vulnerability has been resolved: i3c: Add NULL pointer check in i3cmasterqueueibi The I3C master driver may receive an IBI from a target device that has not been probed yet. In such cases, the master calls i3cmasterqueueibi to queue an IBI work task, leading to...

CVE-2025-23147 i3c: Add NULL pointer check in i3c_master_queue_ibi()

In the Linux kernel, the following vulnerability has been resolved: i3c: Add NULL pointer check in i3cmasterqueueibi The I3C master driver may receive an IBI from a target device that has not been probed yet. In such cases, the master calls i3cmasterqueueibi to queue an IBI work task, leading to...

CVE-2025-23147

CVE-2025-23147 : Linux kernel i3c master/IBI handling vulnerability where an IBI can arrive before the target driver is probed, causing a NULL dereference in dev->ibi and a kernel panic. Affected component is the I3C master queue path (i3c_master_queue_ibi()); root cause is uninitialized dev-&...

CVE-2025-23145 mptcp: fix NULL pointer in can_accept_new_subflow

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix NULL pointer in canacceptnewsubflow When testing valkey benchmark tool with MPTCP, the kernel panics in 'mptcpcanacceptnewsubflow' because subflowreq-msk is NULL. Call trace: mptcpcanacceptnewsubflow...

CVE-2025-23145 mptcp: fix NULL pointer in can_accept_new_subflow

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix NULL pointer in canacceptnewsubflow When testing valkey benchmark tool with MPTCP, the kernel panics in 'mptcpcanacceptnewsubflow' because subflowreq-msk is NULL. Call trace: mptcpcanacceptnewsubflow...

CVE-2025-37773: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: virtiofs: add filesystem context source name check In certain scenarios, for example, during fuzz testing, the source name may be NULL, which could lead to a kernel panic. Therefore, an extra check for the source name should be...

CVE-2022-49851: Out-of-bounds Read

In the Linux kernel, the following vulnerability has been resolved: riscv: fix reserved memory setup Currently, RISC-V sets up reserved memory using the "early" copy of the device tree. As a result, when trying to get a reserved memory region using ofreservedmemlookup, the pointer to reserved...

CVE-2022-49904: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: net, neigh: Fix null-ptr-deref in neightableclear When IPv6 module gets initialized but hits an error in the middle, kenel panic with: KASAN: null-ptr-deref in range 0x0000000000000598-0x000000000000059f CPU: 1 PID: 361 Comm:...

CVE-2022-49898: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix tree mod log mishandling of reallocated nodes We have been seeing the following panic in production kernel BUG at fs/btrfs/tree-mod-log.c:677! invalid opcode: 0000 1 SMP RIP: 0010:treemodlogrewind+0x1b4/0x200 RSP:...

CVE-2022-49802: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix null pointer dereference in ftraceaddmod The @ftracemod is allocated by kzalloc, so both the members prev,next of @ftracemode-list are NULL, it's not a valid state to call listdel. If kstrdup for @ftracemod-func|modul...

CVE-2022-49782: Uncontrolled Recursion

In the Linux kernel, the following vulnerability has been resolved: perf: Improve missing SIGTRAP checking To catch missing SIGTRAP we employ a WARN in perfeventoverflow, which fires if pendingsigtrap was already set: returning to user space without consuming pendingsigtrap, and then having the...

CVE-2025-37759: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: ublk: fix handling recovery & reissue in ublkabortqueue Commit 8284066946e6 "ublk: grab request reference when the request is handled by userspace" doesn't grab request reference in case of recovery reissue. Then the request can ...