CVE-2021-47566

In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: fix clearing user buffer by properly using clearuser To clear a user buffer we cannot simply use memset, we have to use clearuser. With a virtio-mem device that registers a vmcorecb and has some logically unplugged...

CVE-2021-47572 net: nexthop: fix null pointer dereference when IPv6 is not enabled

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: fix null pointer dereference when IPv6 is not enabled When we try to add an IPv6 nexthop and IPv6 is not enabled !CONFIGIPV6 we'll hit a NULL pointer dereference1 in the error path of nhcreateipv6 due to calling...

CVE-2021-47566 proc/vmcore: fix clearing user buffer by properly using clear_user()

In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: fix clearing user buffer by properly using clearuser To clear a user buffer we cannot simply use memset, we have to use clearuser. With a virtio-mem device that registers a vmcorecb and has some logically unplugged...

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-2021-47463 mm/secretmem: fix NULL page->mapping dereference in page_is_secretmem()

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix NULL page-mapping dereference in pageissecretmem Check for a NULL page-mapping before dereferencing the mapping in pageissecretmem, as the page's mapping can be nullified while gup is running, e.g. by reclaim or...

CVE-2021-47463 mm/secretmem: fix NULL page->mapping dereference in page_is_secretmem()

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix NULL page-mapping dereference in pageissecretmem Check for a NULL page-mapping before dereferencing the mapping in pageissecretmem, as the page's mapping can be nullified while gup is running, e.g. by reclaim or...

CVE-2023-52817 drm/amdgpu: Fix a null pointer access when the smc_rreg pointer is NULL

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix a null pointer access when the smcrreg pointer is NULL In certain types of chips, such as VEGA20, reading the amdgpuregssmc file could result in an abnormal null pointer access when the smcrreg pointer is NULL...

CVE-2023-52817 drm/amdgpu: Fix a null pointer access when the smc_rreg pointer is NULL

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix a null pointer access when the smcrreg pointer is NULL In certain types of chips, such as VEGA20, reading the amdgpuregssmc file could result in an abnormal null pointer access when the smcrreg pointer is NULL...

CVE-2021-47227 x86/fpu: Prevent state corruption in __fpu__restore_sig()

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Prevent state corruption in fpurestoresig The non-compacted slowpath uses copyfromuser and copies the entire user buffer into the kernel buffer, verbatim. This means that the kernel buffer may now contain entirely invali...

CVE-2021-47227

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Prevent state corruption in fpurestoresig The non-compacted slowpath uses copyfromuser and copies the entire user buffer into the kernel buffer, verbatim. This means that the kernel buffer may now contain entirely invali...

CVE-2022-48673

In the Linux kernel, the following vulnerability has been resolved: net/smc: Fix possible access to freed memory in link clear After modifying the QP to the Error state, all RX WR would be completed with WC in IBWCWRFLUSHERR status. Current implementation does not wait for it is done, but destroy...

CVE-2022-48673

CVE-2022-48673 affects the Linux kernel net/smc implementation. Root cause: after modifying a QP to Error, the code completes RX work with IB_WC_WR_FLUSH_ERR but destroys the QP and frees the link group without waiting for the tasklet to finish, risking access to freed memory in tasklet context. ...

CVE-2022-48673 net/smc: Fix possible access to freed memory in link clear

In the Linux kernel, the following vulnerability has been resolved: net/smc: Fix possible access to freed memory in link clear After modifying the QP to the Error state, all RX WR would be completed with WC in IBWCWRFLUSHERR status. Current implementation does not wait for it is done, but destroy...

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...

Null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: xsk: fix usage of multi-buffer BPF helpers for ZC XDP Currently when packet is shrunk via bpfxdpadjusttail and memory type is set to MEMTYPEXSKBUFFPOOL, null ptr dereference happens: 1136314.192256 BUG: kernel NULL pointer...

BIT-PINNIPED-2022-22975

An issue was discovered in the Pinniped Supervisor with either LADPIdentityProvider or ActiveDirectoryIdentityProvider resources. An attack would involve the malicious user changing the common name CN of their user entry on the LDAP or AD server to include special characters, which could be used ...

BIT-PINNIPED-2022-31677

An Insufficient Session Expiration issue was discovered in the Pinniped Supervisor before v0.19.0. A user authenticating to Kubernetes clusters via the Pinniped Supervisor could potentially use their access token to continue their session beyond what proper use of their refresh token might allow...

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 ...

CVE-2021-46964

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Reserve extra IRQ vectors Commit a6dcfe08487e "scsi: qla2xxx: Limit interrupt vectors to number of CPUs" lowers the number of allocated MSI-X vectors to the number of CPUs. That breaks vector allocation assumptions...

Null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: nbd: Fix NULL pointer in flushworkqueue Open /dev/nbdX first, the configrefs will be 1 and the pointers in nbddevice are still null. Disconnect /dev/nbdX, then reference a null recvworkq. The protection by configrefs in...