CVE-2026-23285

In the Linux kernel, the following vulnerability has been resolved: drbd: fix null-pointer dereference on local read error In drbdrequestendio, READCOMPLETEDWITHERROR is passed to reqmod with a NULL peerdevice: reqmodreq, what, NULL, &m; The READCOMPLETEDWITHERROR handler then unconditionally...

CVE-2026-23282

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix oops due to uninitialised var in smb2unlink If SMB2openinit or SMB2closeinit fails e.g. reconnect, the iovs set @rqst will be left uninitialised, hence calling SMB2openfree, SMB2closefree or smb2setrelated on the...

CVE-2026-23388

In the Linux kernel, the following vulnerability has been resolved: Squashfs: check metadata block offset is within range Syzkaller reports a "general protection fault in squashfscopydata" This is ultimately caused by a corrupted index look-up table, which produces a negative metadata block offse...

CVE-2026-23303

In the Linux kernel, the following vulnerability has been resolved: smb: client: Don't log plaintext credentials in cifssetcifscreds When debug logging is enabled, cifssetcifscreds logs the key payload and exposes the plaintext username and password. Remove the debug log to avoid exposing...

UBUNTU-CVE-2026-23356

In the Linux kernel, the following vulnerability has been resolved: drbd: fix "LOGIC BUG" in drbdalbeginiononblock Even though we check that we "should" be able to do lcgetcumulative while holding the device-allock spinlock, it may still fail, if some other code path decided to do lctrylock with...

CVE-2026-23282

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix oops due to uninitialised var in smb2unlink If SMB2openinit or SMB2closeinit fails e.g. reconnect, the iovs set @rqst will be left uninitialised, hence calling SMB2openfree, SMB2closefree or smb2setrelated on the...

UBUNTU-CVE-2026-23347

In the Linux kernel, the following vulnerability has been resolved: can: usb: f81604: correctly anchor the urb in the read bulk callback When submitting an urb, that is using the anchor pattern, it needs to be anchored before submitting it otherwise it could be leaked if usbkillanchoredurbs is...

CVE-2026-23356

In the Linux kernel, the following vulnerability has been resolved: drbd: fix "LOGIC BUG" in drbdalbeginiononblock Even though we check that we "should" be able to do lcgetcumulative while holding the device-allock spinlock, it may still fail, if some other code path decided to do lctrylock with...

CVE-2026-23324

In the Linux kernel, the following vulnerability has been resolved: can: usb: etases58x: correctly anchor the urb in the read bulk callback When submitting an urb, that is using the anchor pattern, it needs to be anchored before submitting it otherwise it could be leaked if usbkillanchoredurbs is...

CVE-2026-23388

CVE-2026-23388 concerns the Linux kernel Squashfs subsystem. A corrupted index lookup can yield a negative metadata block offset, leading to an out-of-bounds access in squashfs_copy_data via squashfs_read_metadata. The issue is resolved by adding a metadata offset range check in squashfs_read_met...

CVE-2026-23388

In the Linux kernel, the following vulnerability has been resolved: Squashfs: check metadata block offset is within range Syzkaller reports a "general protection fault in squashfscopydata" This is ultimately caused by a corrupted index look-up table, which produces a negative metadata block offse...

CVE-2026-23388 Squashfs: check metadata block offset is within range

In the Linux kernel, the following vulnerability has been resolved: Squashfs: check metadata block offset is within range Syzkaller reports a "general protection fault in squashfscopydata" This is ultimately caused by a corrupted index look-up table, which produces a negative metadata block offse...

CVE-2026-23356

In the Linux kernel, the following vulnerability has been resolved: drbd: fix "LOGIC BUG" in drbdalbeginiononblock Even though we check that we "should" be able to do lcgetcumulative while holding the device-allock spinlock, it may still fail, if some other code path decided to do lctrylock with...

CVE-2026-23356

The CVE-2026-23356 issue affects the Linux kernel DRBD subsystem. A logic bug in drbd_al_begin_io_nonblock() could mis-handle a reference-counted extent when lc_get_cumulative() and lc_try_lock() timing collided, risking a crash or incorrect assumption that an activity log extent is active during...

CVE-2026-23347

In the Linux kernel, the following vulnerability has been resolved: can: usb: f81604: correctly anchor the urb in the read bulk callback When submitting an urb, that is using the anchor pattern, it needs to be anchored before submitting it otherwise it could be leaked if usbkillanchoredurbs is...

CVE-2026-23336

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel rfkillblock work in wiphyunregister There is a use-after-free error in cfg80211shutdownallinterfaces found by syzkaller: BUG: KASAN: use-after-free in cfg80211shutdownallinterfaces+0x213/0x220 Read of size ...

CVE-2026-23336 wifi: cfg80211: cancel rfkill_block work in wiphy_unregister()

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel rfkillblock work in wiphyunregister There is a use-after-free error in cfg80211shutdownallinterfaces found by syzkaller: BUG: KASAN: use-after-free in cfg80211shutdownallinterfaces+0x213/0x220 Read of size ...

CVE-2026-23336 wifi: cfg80211: cancel rfkill_block work in wiphy_unregister()

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel rfkillblock work in wiphyunregister There is a use-after-free error in cfg80211shutdownallinterfaces found by syzkaller: BUG: KASAN: use-after-free in cfg80211shutdownallinterfaces+0x213/0x220 Read of size ...

CVE-2026-23336

Summary: CVE-2026-23336 affects the Linux kernel’s wifi cfg80211 path, where a use-after-free can occur during wiphy_unregister() if rfkill_block work isn’t cancelled. The issue manifests in cfg80211_shutdown_all_interfaces via a KASAN use-after-free and is triggered when unregistering a wireless...

CVE-2026-23336

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel rfkillblock work in wiphyunregister There is a use-after-free error in cfg80211shutdownallinterfaces found by syzkaller: BUG: KASAN: use-after-free in cfg80211shutdownallinterfaces+0x213/0x220 Read of size ...