CVE-2023-52782

The CVE-2023-52782 entry pertains to the Linux kernel net/mlx5e driver: it fixes a race in tracking xmit metadata for PTP WQ where the skb may not be present in the mapping when the metadata index is tracked, risking a null pointer dereference. The fix ensures skb is in metadata mapping before tr...

CVE-2023-52772 af_unix: fix use-after-free in unix_stream_read_actor()

In the Linux kernel, the following vulnerability has been resolved: afunix: fix use-after-free in unixstreamreadactor syzbot reported the following crash 1 After releasing unix socket lock, u-oobskb can be changed by another thread. We must temporarily increase skb refcount to make sure this othe...

CVE-2023-52770 f2fs: split initial and dynamic conditions for extent_cache

In the Linux kernel, the following vulnerability has been resolved: f2fs: split initial and dynamic conditions for extentcache Let's allocate the extentcache tree without dynamic conditions to avoid a missing condition causing a panic as below. create a file w/ a compressed flag disable the...

CVE-2023-52770

CVE-2023-52770 is a Linux-kernel (f2fs) issue: the bug stems from how extent_cache is allocated, with a split between initial and dynamic conditions that could trigger a panic during extent_cache updates (observed during a file creation with compressed flag and subsequent operations). The vulnera...

CVE-2023-52770 f2fs: split initial and dynamic conditions for extent_cache

In the Linux kernel, the following vulnerability has been resolved: f2fs: split initial and dynamic conditions for extentcache Let's allocate the extentcache tree without dynamic conditions to avoid a missing condition causing a panic as below. create a file w/ a compressed flag disable the...

CVE-2023-52768 wifi: wilc1000: use vmm_table as array in wilc struct

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: use vmmtable as array in wilc struct Enabling KASAN and running some iperf tests raises some memory issues with vmmtable: BUG: KASAN: slab-out-of-bounds in wilcwlanhandletxq+0x6ac/0xdb4 Write of size 4 at addr...

CVE-2023-52768

CVE-2023-52768 affects the Linux kernel, specifically the wifi wilc1000 path. The issue arises from a mismatch in allocation size for vmm_table (missing a sizeof(u32) factor), enabling a KASAN slab-out-of-bounds write in wilc_wlan_handle_txq when writing to vmm_table. The connected Astra Linux bu...

CVE-2023-52768

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: use vmmtable as array in wilc struct Enabling KASAN and running some iperf tests raises some memory issues with vmmtable: BUG: KASAN: slab-out-of-bounds in wilcwlanhandletxq+0x6ac/0xdb4 Write of size 4 at addr...

CVE-2023-52768 wifi: wilc1000: use vmm_table as array in wilc struct

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: use vmmtable as array in wilc struct Enabling KASAN and running some iperf tests raises some memory issues with vmmtable: BUG: KASAN: slab-out-of-bounds in wilcwlanhandletxq+0x6ac/0xdb4 Write of size 4 at addr...

CVE-2023-52751 smb: client: fix use-after-free in smb2_query_info_compound()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in smb2queryinfocompound The following UAF was triggered when running fstests generic/072 with KASAN enabled against Windows Server 2022 and mount options...

CVE-2023-52751

CVE-2023-52751 : In the Linux kernel CIFS (smb2_query_info_compound), a race between open_cached_dir() and cached_dir_lease_break() can trigger a use-after-free in the cache entry for a newly created directory handle. The issue arises as the code drops the last reference to the new cfid while a l...

CVE-2023-52751 smb: client: fix use-after-free in smb2_query_info_compound()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in smb2queryinfocompound The following UAF was triggered when running fstests generic/072 with KASAN enabled against Windows Server 2022 and mount options...

CVE-2023-52751

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in smb2queryinfocompound The following UAF was triggered when running fstests generic/072 with KASAN enabled against Windows Server 2022 and mount options...

CVE-2023-52707 sched/psi: Fix use-after-free in ep_remove_wait_queue()

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Fix use-after-free in epremovewaitqueue If a non-root cgroup gets removed when there is a thread that registered trigger and is polling on a pressure file within the cgroup, the polling waitqueue gets freed in the...

CVE-2023-52707 sched/psi: Fix use-after-free in ep_remove_wait_queue()

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Fix use-after-free in epremovewaitqueue If a non-root cgroup gets removed when there is a thread that registered trigger and is polling on a pressure file within the cgroup, the polling waitqueue gets freed in the...

CVE-2021-47402

In the Linux kernel, the following vulnerability has been resolved: net: sched: flower: protect flwalk with rcu Patch that refactored flwalk to use idrforeachentrycontinueul also removed rcu protection of individual filters which causes following use-after-free when filter is deleted concurrently...

CVE-2021-47402

In the Linux kernel, the following vulnerability has been resolved: net: sched: flower: protect flwalk with rcu Patch that refactored flwalk to use idrforeachentrycontinueul also removed rcu protection of individual filters which causes following use-after-free when filter is deleted concurrently...

CVE-2021-47372

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix use after free on rmmod platdev-dev-platformdata is released by platformdeviceunregister, use of pclk and hclk is a use-after-free. Since device unregister won't need a clk device we adjust the function call sequen...

CVE-2021-47379

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd KASAN reports a use-after-free report when doing fuzz test: 693354.104835 ================================================================== 693354.105094 BUG:...

DEBIAN-CVE-2021-47303

In the Linux kernel, the following vulnerability has been resolved: bpf: Track subprog poke descriptors correctly and fix use-after-free Subprograms are calling mappoketrack, but on program release there is no hook to call mappokeuntrack. However, on program release, the aux memory and poke...