DEBIAN-CVE-2025-21993

In the Linux kernel, the following vulnerability has been resolved: iscsiibft: Fix UBSAN shift-out-of-bounds warning in ibftattrshownic When performing an iSCSI boot using IPv6, iscsistart still reads the /sys/firmware/ibft/ethernetX/subnet-mask entry. Since the IPv6 prefix length is 64, this...

AZL-59892 CVE-2025-21993 affecting package kernel for versions less than 6.6.85.1-2

In the Linux kernel, the following vulnerability has been resolved: iscsiibft: Fix UBSAN shift-out-of-bounds warning in ibftattrshownic When performing an iSCSI boot using IPv6, iscsistart still reads the /sys/firmware/ibft/ethernetX/subnet-mask entry. Since the IPv6 prefix length is 64, this...

CVE-2025-21993

In the Linux kernel, the following vulnerability has been resolved: iscsiibft: Fix UBSAN shift-out-of-bounds warning in ibftattrshownic When performing an iSCSI boot using IPv6, iscsistart still reads the /sys/firmware/ibft/ethernetX/subnet-mask entry. Since the IPv6 prefix length is 64, this...

UBUNTU-CVE-2025-21993

In the Linux kernel, the following vulnerability has been resolved: iscsiibft: Fix UBSAN shift-out-of-bounds warning in ibftattrshownic When performing an iSCSI boot using IPv6, iscsistart still reads the /sys/firmware/ibft/ethernetX/subnet-mask entry. Since the IPv6 prefix length is 64, this...

CVE-2025-21993

In the Linux kernel, the following vulnerability has been resolved: iscsiibft: Fix UBSAN shift-out-of-bounds warning in ibftattrshownic When performing an iSCSI boot using IPv6, iscsistart still reads the /sys/firmware/ibft/ethernetX/subnet-mask entry. Since the IPv6 prefix length is 64, this...

CVE-2025-21993 iscsi_ibft: Fix UBSAN shift-out-of-bounds warning in ibft_attr_show_nic()

In the Linux kernel, the following vulnerability has been resolved: iscsiibft: Fix UBSAN shift-out-of-bounds warning in ibftattrshownic When performing an iSCSI boot using IPv6, iscsistart still reads the /sys/firmware/ibft/ethernetX/subnet-mask entry. Since the IPv6 prefix length is 64, this...

CVE-2025-21993

CVE-2025-21993 is a Linux kernel issue in iscsi_ibft: UBSAN shift-out-of-bounds warning in ibft_attr_show_nic() when performing iSCSI boot over IPv6. The bug arises because the IPv6 prefix length (64) makes a shift exponent negative while reading /sys/firmware/ibft/ethernetX/subnet-mask, which is...

CVE-2025-21993 iscsi_ibft: Fix UBSAN shift-out-of-bounds warning in ibft_attr_show_nic()

In the Linux kernel, the following vulnerability has been resolved: iscsiibft: Fix UBSAN shift-out-of-bounds warning in ibftattrshownic When performing an iSCSI boot using IPv6, iscsistart still reads the /sys/firmware/ibft/ethernetX/subnet-mask entry. Since the IPv6 prefix length is 64, this...

CVE-2025-21993 iscsi_ibft: Fix UBSAN shift-out-of-bounds warning in ibft_attr_show_nic()

In the Linux kernel, the following vulnerability has been resolved: iscsiibft: Fix UBSAN shift-out-of-bounds warning in ibftattrshownic When performing an iSCSI boot using IPv6, iscsistart still reads the /sys/firmware/ibft/ethernetX/subnet-mask entry. Since the IPv6 prefix length is 64, this...

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 Linux kernel that originates from the iscsiibft module generating negative shift indices when processing IPv6 subnet masks, triggering a UBSA...

CVE-2023-52975

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shost ipaddress attr, we can get a KASAN UAF report like...

CVE-2023-52975

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shost ipaddress attr, we can get a KASAN UAF report like...

CVE-2023-52975

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shost ipaddress attr, we can get a KASAN UAF report like...

UBUNTU-CVE-2023-52975

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shost ipaddress attr, we can get a KASAN UAF report like...

CVE-2023-52975

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shost ipaddress attr, we can get a KASAN UAF report like...

CVE-2023-52975 scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shost ipaddress attr, we can get a KASAN UAF report like...

CVE-2023-52975 scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shost ipaddress attr, we can get a KASAN UAF report like...

CVE-2023-52975 scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shost ipaddress attr, we can get a KASAN UAF report like...

CVE-2023-52975

CVE-2023-52975 affects the Linux kernel SCSI/iscsi_tcp component. A use-after-free (UAF) can occur during iSCSI session logout if another task accesses the shost ipaddress attribute, triggering KASAN reports. The issue has concrete fixes in the Linux kernel (e.g., commits in the referenced reposi...

CVE-2023-52974 scsi: iscsi_tcp: Fix UAF during login when accessing the shost ipaddress

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fix UAF during login when accessing the shost ipaddress If during iscsiswtcpsessioncreate iscsitcpr2tpoolalloc fails, userspace could be accessing the host's ipaddress attr. If we then free the session via...