CVE-2022-49896 cxl/pmem: Fix cxl_pmem_region and cxl_memdev leak

In the Linux kernel, the following vulnerability has been resolved: cxl/pmem: Fix cxlpmemregion and cxlmemdev leak When a cxlnvdimm object goes through a -remove event device physically removed, nvdimm-bridge disabled, or nvdimm device disabled, then any associated regions must also be disabled. ...

CVE-2022-49873 bpf: Fix wrong reg type conversion in release_reference()

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix wrong reg type conversion in releasereference Some helper functions will allocate memory. To avoid memory leaks, the verifier requires the eBPF program to release these memories by calling the corresponding helper...

CVE-2022-49871

CVE-2022-49871 concerns the Linux kernel net: tun subsystem memory leaks arising from napi_get_frags when GRO processing is not completed. The provided data shows that in certain paths (tun_get_user -> napi_gro_frags -> napi_frags_finish -> GRO_NORMAL) the napi->rx_list may remain pop...

CVE-2022-49871

In the Linux kernel, the following vulnerability has been resolved: net: tun: Fix memory leaks of napigetfrags kmemleak reports after running testprogs: unreferenced object 0xffff8881b1672dc0 size 232: comm "testprogs", pid 394388, jiffies 4354712116 age 841.975s hex dump first 32 bytes: e0 84 d7...

CVE-2022-49871 net: tun: Fix memory leaks of napi_get_frags

In the Linux kernel, the following vulnerability has been resolved: net: tun: Fix memory leaks of napigetfrags kmemleak reports after running testprogs: unreferenced object 0xffff8881b1672dc0 size 232: comm "testprogs", pid 394388, jiffies 4354712116 age 841.975s hex dump first 32 bytes: e0 84 d7...

CVE-2022-49853 net: macvlan: fix memory leaks of macvlan_common_newlink

In the Linux kernel, the following vulnerability has been resolved: net: macvlan: fix memory leaks of macvlancommonnewlink kmemleak reports memory leaks in macvlancommonnewlink, as follows: ip link add link eth0 name .. type macvlan mode source macaddr add kmemleak reports: unreferenced object...

CVE-2022-49853

In the Linux kernel, the following vulnerability has been resolved: net: macvlan: fix memory leaks of macvlancommonnewlink kmemleak reports memory leaks in macvlancommonnewlink, as follows: ip link add link eth0 name .. type macvlan mode source macaddr add kmemleak reports: unreferenced object...

CVE-2022-49853 net: macvlan: fix memory leaks of macvlan_common_newlink

In the Linux kernel, the following vulnerability has been resolved: net: macvlan: fix memory leaks of macvlancommonnewlink kmemleak reports memory leaks in macvlancommonnewlink, as follows: ip link add link eth0 name .. type macvlan mode source macaddr add kmemleak reports: unreferenced object...

CVE-2022-49853 net: macvlan: fix memory leaks of macvlan_common_newlink

In the Linux kernel, the following vulnerability has been resolved: net: macvlan: fix memory leaks of macvlancommonnewlink kmemleak reports memory leaks in macvlancommonnewlink, as follows: ip link add link eth0 name .. type macvlan mode source macaddr add kmemleak reports: unreferenced object...

CVE-2022-49837

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix memory leaks in checkfunccall kmemleak reports this issue: unreferenced object 0xffff88817139d000 size 2048: comm "testprogs", pid 33246, jiffies 4307381979 age 45851.820s hex dump first 32 bytes: 01 00 00 00 00 00 00 00...

CVE-2022-49837

The CVE-2022-49837 issue affects the Linux kernel’s BPF subsystem, specifically memory leaks in __check_func_call and related exit handling. The root cause is that, in prepare_func_exit(), the callee is not released in abnormal paths after state->curframe--, so the frame is not fully freed bef...

CVE-2022-49837 bpf: Fix memory leaks in __check_func_call

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix memory leaks in checkfunccall kmemleak reports this issue: unreferenced object 0xffff88817139d000 size 2048: comm "testprogs", pid 33246, jiffies 4307381979 age 45851.820s hex dump first 32 bytes: 01 00 00 00 00 00 00 00...

CVE-2022-49812

CVE-2022-49812 describes a Linux kernel vulnerability in the bridge driver’s VLAN offload path. When VLANs are offloaded via switchdev, the bridge marks them with BR_VLFLAG_ADDED_BY_SWITCHDEV. Changing the VLAN protocol triggers notifications to switchdev drivers and also to the 8021q driver, whi...

CVE-2022-49812

In the Linux kernel, the following vulnerability has been resolved: bridge: switchdev: Fix memory leaks when changing VLAN protocol The bridge driver can offload VLANs to the underlying hardware either via switchdev or the 8021q driver. When the former is used, the VLAN is marked in the bridge...

CVE-2022-49812 bridge: switchdev: Fix memory leaks when changing VLAN protocol

In the Linux kernel, the following vulnerability has been resolved: bridge: switchdev: Fix memory leaks when changing VLAN protocol The bridge driver can offload VLANs to the underlying hardware either via switchdev or the 8021q driver. When the former is used, the VLAN is marked in the bridge...

CVE-2022-49812 bridge: switchdev: Fix memory leaks when changing VLAN protocol

In the Linux kernel, the following vulnerability has been resolved: bridge: switchdev: Fix memory leaks when changing VLAN protocol The bridge driver can offload VLANs to the underlying hardware either via switchdev or the 8021q driver. When the former is used, the VLAN is marked in the bridge...

CVE-2022-49791

The CVE-2022-49791 entry is about a Linux kernel issue in io_uring where a multishot accept request can leak if REQ_F_POLLED is set and the code misclassifies the operation as multishot from the polling path. The problem could lead to leaking the request by a skip-completion path, and the remedia...

CVE-2022-49791

In the Linux kernel, the following vulnerability has been resolved: iouring: fix multishot accept request leaks Having REQFPOLLED set doesn't guarantee that the request is executed as a multishot from the polling path. Fortunately for us, if the code thinks it's multishot issue when it's not, it...

CVE-2022-49791 io_uring: fix multishot accept request leaks

In the Linux kernel, the following vulnerability has been resolved: iouring: fix multishot accept request leaks Having REQFPOLLED set doesn't guarantee that the request is executed as a multishot from the polling path. Fortunately for us, if the code thinks it's multishot issue when it's not, it...

CVE-2022-49786 blk-cgroup: properly pin the parent in blkcg_css_online

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: properly pin the parent in blkcgcssonline blkcgcssonline is supposed to pin the blkcg of the parent, but 397c9f46ee4d refactored things and along the way, changed it to pin the css instead. This results in extra pins,...