UBUNTU-CVE-2022-49081

In the Linux kernel, the following vulnerability has been resolved: highmem: fix checks in kmaplocalschedin,out When CONFIGDEBUGKMAPLOCAL is enabled kmaplocalschedin,out check that even slots in the tsk-kmapctrl.pteval are unmapped. The slots are initialized with 0 value, but the check is done wi...

DEBIAN-CVE-2021-47640

In the Linux kernel, the following vulnerability has been resolved: powerpc/kasan: Fix early region not updated correctly The shadow's page table is not updated when PTERPNSHIFT is 24 and PAGESHIFT is 12. It not only causes false positives but also false negative as shown the following text. Fix ...

CVE-2022-49721 arm64: ftrace: consistently handle PLTs.

In the Linux kernel, the following vulnerability has been resolved: arm64: ftrace: consistently handle PLTs. Sometimes it is necessary to use a PLT entry to call an ftrace trampoline. This is handled by ftracemakecall and ftracemakenop, with each having almost identical logic, but this is not...

CVE-2022-49721 arm64: ftrace: consistently handle PLTs.

In the Linux kernel, the following vulnerability has been resolved: arm64: ftrace: consistently handle PLTs. Sometimes it is necessary to use a PLT entry to call an ftrace trampoline. This is handled by ftracemakecall and ftracemakenop, with each having almost identical logic, but this is not...

CVE-2022-49721

In the Linux kernel, the following vulnerability has been resolved: arm64: ftrace: consistently handle PLTs. Sometimes it is necessary to use a PLT entry to call an ftrace trampoline. This is handled by ftracemakecall and ftracemakenop, with each having almost identical logic, but this is not...

CVE-2022-49610 KVM: VMX: Prevent RSB underflow before vmenter

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Prevent RSB underflow before vmenter On VMX, there are some balanced returns between the time the guest's SPECCTRL value is written, and the vmenter. Balanced returns matched by a preceding call are usually ok, but it's...

CVE-2022-49561 netfilter: conntrack: re-fetch conntrack after insertion

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: re-fetch conntrack after insertion In case the conntrack is clashing, insertion can free skb-nfct and set skb-nfct to the already-confirmed entry. This wasn't found before because the conntrack entry and the...

CVE-2022-49398 usb: dwc3: gadget: Replace list_for_each_entry_safe() if using giveback

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Replace listforeachentrysafe if using giveback The listforeachentrysafe macro saves the current item n and the item after n+1, so that n can be safely removed without corrupting the list. However, when traversi...

CVE-2022-49368 net: ethernet: mtk_eth_soc: out of bounds read in mtk_hwlro_get_fdir_entry()

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: out of bounds read in mtkhwlrogetfdirentry The "fsp-location" variable comes from user via ethtoolgetrxnfc. Check that it is valid to prevent an out of bounds read...

CVE-2022-49364 f2fs: fix to clear dirty inode in f2fs_evict_inode()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to clear dirty inode in f2fsevictinode As Yanming reported in bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215904 The kernel message is shown below: kernel BUG at fs/f2fs/inode.c:825! Call Trace: evict+0x282/0x4...

CVE-2022-49364

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to clear dirty inode in f2fsevictinode As Yanming reported in bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215904 The kernel message is shown below: kernel BUG at fs/f2fs/inode.c:825! Call Trace: evict+0x282/0x4...

CVE-2022-49299

Removed by vendor...

CVE-2022-49183

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix ref leak when switching zones When switching zones or network namespaces without doing a ct clear in between, it is now leaking a reference to the old ct entry. That's because tcfctskbnfctcached returns fals...

CVE-2022-49183

CVE-2022-49183: Linux kernel net/sched act_ct had a ref-leak when switching zones or network namespaces without a ct clear, leaking the old ct entry due to tcf_ct_skb_nfct_cached() returning false. The fix is to free the ct entry at tcf_ct_skb_nfct_cached() since the ct entry is not reusable. Con...

CVE-2022-49183 net/sched: act_ct: fix ref leak when switching zones

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix ref leak when switching zones When switching zones or network namespaces without doing a ct clear in between, it is now leaking a reference to the old ct entry. That's because tcfctskbnfctcached returns fals...

CVE-2022-49183 net/sched: act_ct: fix ref leak when switching zones

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix ref leak when switching zones When switching zones or network namespaces without doing a ct clear in between, it is now leaking a reference to the old ct entry. That's because tcfctskbnfctcached returns fals...

CVE-2022-49152 XArray: Fix xas_create_range() when multi-order entry present

In the Linux kernel, the following vulnerability has been resolved: XArray: Fix xascreaterange when multi-order entry present If there is already an entry present that is of order = XACHUNKSHIFT when we call xascreaterange, xascreaterange will misinterpret that entry as a node and dereference...

CVE-2022-49051

CVE-2022-49051 concerns the Linux kernel USB driver net: usb: aqc111, specifically the aqc111_rx_fixup() function. The advisory states multiple out-of-bounds accesses that a malicious or defective USB device can trigger, including OOB reads in the metadata array (desc_offset..desc_offset+2*pkt_co...

PT-2025-13209

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the validation of the mokvar table. The issue occurs when the table grows over a certain size, causing a failure and...

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 updating the A/D bits of the guest PTE, which could result in accessing the wrong PFN...