CVE-2024-50039 net/sched: accept TCA_STAB only for root qdisc

In the Linux kernel, the following vulnerability has been resolved: net/sched: accept TCASTAB only for root qdisc Most qdiscs maintain their backlog using qdiscpktlenskb on the assumption it is invariant between the enqueue and dequeue handlers. Unfortunately syzbot can crash a host rather easily...

CVE-2024-40962

CVE-2024-40962 affects the Linux kernel btrfs zoning code. The issue is a NULL pointer dereference in btrfs_zone_finish_endio() when handling zoned NODATASUM writes under zoned emulation for conventional zones. The fix, as described in the disclosure, is to allocate dummy checksums for zoned NODA...

CVE-2021-47463

CVE-2021-47463 concerns a Linux kernel NULL pointer dereference in mm/secretmem during GUP operations. The issue arises from dereferencing page->mapping without ensuring it is non-NULL as a page mapping can be nulled while gup() runs (e.g., by reclaim or truncation). A fix was implemented to ...

CVE-2022-48692

In the Linux kernel, the following vulnerability has been resolved: RDMA/srp: Set scmnd-result only when scmnd is not NULL This change fixes the following kernel NULL pointer dereference which is reproduced by blktests srp/007 occasionally. BUG: kernel NULL pointer dereference, address:...

CVE-2024-26783

In the Linux kernel, the following vulnerability has been resolved: mm/vmscan: fix a bug calling wakeupkswapd with a wrong zone index With numa balancing on, when a numa system is running where a numa node doesn't have its local memory so it has no managed zones, the following oops has been...

CVE-2024-26626 ipmr: fix kernel panic when forwarding mcast packets

In the Linux kernel, the following vulnerability has been resolved: ipmr: fix kernel panic when forwarding mcast packets The stacktrace was: 86.305548 BUG: kernel NULL pointer dereference, address: 0000000000000092 86.306815 PF: supervisor read access in kernel mode 86.307717 PF: errorcode0x0000 ...