CVE-2023-52524

In the Linux kernel, the following vulnerability has been resolved: net: nfc: llcp: Add lock when modifying device list The device list needs its associated lock held when modifying it, or the list could become corrupted, as syzbot discovered...

CVE-2023-52507 nfc: nci: assert requested protocol is valid

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: assert requested protocol is valid The protocol is used in a bit mask to determine if the protocol is supported. Assert the provided protocol is less than the maximum defined so it doesn't potentially perform a...

CVE-2023-52507

CVE-2023-52507 affects the Linux kernel NFC stack (nfc: nci) where the protocol is validated via a bitmask; the issue arises from an assertion that the requested protocol is below the maximum, preventing a potential shift-out-of-bounds and clarifying errors between undefined vs. unsupported proto...

CVE-2023-52507 nfc: nci: assert requested protocol is valid

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: assert requested protocol is valid The protocol is used in a bit mask to determine if the protocol is supported. Assert the provided protocol is less than the maximum defined so it doesn't potentially perform a...

CVE-2023-52507

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: assert requested protocol is valid The protocol is used in a bit mask to determine if the protocol is supported. Assert the provided protocol is less than the maximum defined so it doesn't potentially perform a...

CVE-2023-52507 nfc: nci: assert requested protocol is valid

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: assert requested protocol is valid The protocol is used in a bit mask to determine if the protocol is supported. Assert the provided protocol is less than the maximum defined so it doesn't potentially perform a...

CVE-2023-52502 net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn()

In the Linux kernel, the following vulnerability has been resolved: net: nfc: fix races in nfcllcpsockget and nfcllcpsockgetsn Sili Luo reported a race in nfcllcpsockget, leading to UAF. Getting a reference on the socket found in a lookup while holding a lock should happen before releasing the...

CVE-2023-52502 net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn()

In the Linux kernel, the following vulnerability has been resolved: net: nfc: fix races in nfcllcpsockget and nfcllcpsockgetsn Sili Luo reported a race in nfcllcpsockget, leading to UAF. Getting a reference on the socket found in a lookup while holding a lock should happen before releasing the...

CVE-2023-52502

CVE-2023-52502 affects the Linux kernel net: nfc stack, specifically the NFC LLCP path. The vulnerability is a race in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn() that can lead to a Use-After-Free if a reference to a socket found during a lookup is taken after releasing a lock. A similar issue...

CVE-2023-52502 net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn()

In the Linux kernel, the following vulnerability has been resolved: net: nfc: fix races in nfcllcpsockget and nfcllcpsockgetsn Sili Luo reported a race in nfcllcpsockget, leading to UAF. Getting a reference on the socket found in a lookup while holding a lock should happen before releasing the...

SUSE CVE-2021-47068

In the Linux kernel, the following vulnerability has been resolved: net/nfc: fix use-after-free llcpsockbind/connect Commits 8a4cd82d "nfc: fix refcount leak in llcpsockconnect" and c33b1cc62 "nfc: fix refcount leak in llcpsockbind" fixed a refcount leak bug in bind/connect but introduced a...

CVE-2023-52524: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: net: nfc: llcp: Add lock when modifying device list The device list needs its associated lock held when modifying it, or the list could become corrupted, as syzbot discovered...

CVE-2023-52507: Out-of-bounds Read

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: assert requested protocol is valid The protocol is used in a bit mask to determine if the protocol is supported. Assert the provided protocol is less than the maximum defined so it doesn't potentially perform a...

CVE-2023-52502: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: net: nfc: fix races in nfcllcpsockget and nfcllcpsockgetsn Sili Luo reported a race in nfcllcpsockget, leading to UAF. Getting a reference on the socket found in a lookup while holding a lock should happen before releasing the...

CVE-2021-47068

A flaw was found in the Linux kernel’s Near Field Communication NFC subsystem. The issue involves a use-after-free condition introduced by commits to fix reference count leaks. This vulnerability can be triggered if the same local address is assigned to two different sockets, leading to a potenti...

DEBIAN-CVE-2021-47068

In the Linux kernel, the following vulnerability has been resolved: net/nfc: fix use-after-free llcpsockbind/connect Commits 8a4cd82d "nfc: fix refcount leak in llcpsockconnect" and c33b1cc62 "nfc: fix refcount leak in llcpsockbind" fixed a refcount leak bug in bind/connect but introduced a...

CVE-2021-47068

In the Linux kernel, the following vulnerability has been resolved: net/nfc: fix use-after-free llcpsockbind/connect Commits 8a4cd82d "nfc: fix refcount leak in llcpsockconnect" and c33b1cc62 "nfc: fix refcount leak in llcpsockbind" fixed a refcount leak bug in bind/connect but introduced a...

CVE-2021-47068

In the Linux kernel, the following vulnerability has been resolved: net/nfc: fix use-after-free llcpsockbind/connect Commits 8a4cd82d "nfc: fix refcount leak in llcpsockconnect" and c33b1cc62 "nfc: fix refcount leak in llcpsockbind" fixed a refcount leak bug in bind/connect but introduced a...

CVE-2021-47068

In the Linux kernel, the following vulnerability has been resolved: net/nfc: fix use-after-free llcpsockbind/connect Commits 8a4cd82d "nfc: fix refcount leak in llcpsockconnect" and c33b1cc62 "nfc: fix refcount leak in llcpsockbind" fixed a refcount leak bug in bind/connect but introduced a...

CVE-2021-47068

The CVE-2021-47068 entry concerns the Linux kernel NFC LLCP paths (llcp_sock_bind/llcp_sock_connect). Root cause: a refcount leak in bind/connect was fixed but introduced a use-after-free when the same local is bound to two sockets. The vulnerability is tied to the NFC LLCP implementation in the ...