UBUNTU-CVE-2021-47191

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreadcap16 The following warning was observed running syzkaller: 3813.830724 sgwrite: data in/out 65466/242 bytes for SCSI command 0x9e-- guessing data in; 3813.830724 program...

UBUNTU-CVE-2021-47219

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreporttgtpgs The following issue was observed running syzkaller: BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:377 inline BUG: KASAN: slab-out-of-bounds in...

CVE-2021-47219 scsi: scsi_debug: Fix out-of-bound read in resp_report_tgtpgs()

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreporttgtpgs The following issue was observed running syzkaller: BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:377 inline BUG: KASAN: slab-out-of-bounds in...

CVE-2021-47219 scsi: scsi_debug: Fix out-of-bound read in resp_report_tgtpgs()

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreporttgtpgs The following issue was observed running syzkaller: BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:377 inline BUG: KASAN: slab-out-of-bounds in...

CVE-2021-47219

CVE-2021-47219 involves the Linux kernel SCSI subsystem, specifically the scsi_debug path, where an out-of-bounds read occurs in resp_report_tgtpgs() due to an incorrect handling of lengths. The issue can manifest as a negative alen when userspace supplies a large length, enabling a slab/read bou...

CVE-2021-47196

CVE-2021-47196 concerns a use-after-free in the Linux kernel mlx5_ib path during QP creation. The issue arises when RDMA/core code presets both receive and send completion queue pointers before forwarding to the driver, then overwrites ibqp properties and continues into the driver path. If mlx5_q...

CVE-2021-47196 RDMA/core: Set send and receive CQ before forwarding to the driver

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Set send and receive CQ before forwarding to the driver Preset both receive and send CQ pointers prior to call to the drivers and overwrite it later again till the mlx4 is going to be changed do not overwrite ibqp...

CVE-2021-47191 scsi: scsi_debug: Fix out-of-bound read in resp_readcap16()

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreadcap16 The following warning was observed running syzkaller: 3813.830724 sgwrite: data in/out 65466/242 bytes for SCSI command 0x9e-- guessing data in; 3813.830724 program...

SUSE CVE-2024-26712

In the Linux kernel, the following vulnerability has been resolved: powerpc/kasan: Fix addr error caused by page alignment In kasaninitregion, when kstart is not page aligned, at the begin of for loop, kcur = kstart & PAGEMASK is less than kstart, and then va = block + kcur - kstart is less than...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-6725-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6725-1 advisory. Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate certain data structure fields when...

CVE-2024-26782

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix double-free on socket dismantle when MPTCP server accepts an incoming connection, it clones its listener socket. However, the pointer to 'inetopt' for the new socket has the same value as the original one: as a...

CVE-2024-26785

In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix protection fault in iommufdtestsyzconviova Syzkaller reported the following bug: general protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 1 SMP KASAN KASAN: null-ptr-deref in range...

CVE-2024-26782

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix double-free on socket dismantle when MPTCP server accepts an incoming connection, it clones its listener socket. However, the pointer to 'inetopt' for the new socket has the same value as the original one: as a...

UBUNTU-CVE-2024-26804

In the Linux kernel, the following vulnerability has been resolved: net: iptunnel: prevent perpetual headroom growth syzkaller triggered following kasan splat: BUG: KASAN: use-after-free in skbflowdissect+0x19d1/0x7a50 net/core/flowdissector.c:1170 Read of size 1 at addr ffff88812fb4000e by task...

CVE-2024-26804

CVE-2024-26804 concerns a Linux kernel vulnerability in the net/ip_tunnel subsystem where headroom could inflate without bound when gre/ipip tunnels route in a cycle. The root cause, as described in the vulnerability report, is that ip_tunnel_xmit can trigger an ever-increasing needed_headroom on...

CVE-2024-26785 iommufd: Fix protection fault in iommufd_test_syz_conv_iova

In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix protection fault in iommufdtestsyzconviova Syzkaller reported the following bug: general protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 1 SMP KASAN KASAN: null-ptr-deref in range...

CVE-2024-26785

CVE-2024-26785 (Linux kernel) fixed a protection fault in iommufd_test_syz_conv_iova due to iommufd_access_change_ioas() setting access->ioas to NULL, creating a race where the lock could be invalid concurrently. The fix aligns with existing sanity checks in iommufd_access_rw() and iommufd_acc...

CVE-2024-26785 iommufd: Fix protection fault in iommufd_test_syz_conv_iova

In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix protection fault in iommufdtestsyzconviova Syzkaller reported the following bug: general protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 1 SMP KASAN KASAN: null-ptr-deref in range...

CVE-2024-26785 iommufd: Fix protection fault in iommufd_test_syz_conv_iova

In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix protection fault in iommufdtestsyzconviova Syzkaller reported the following bug: general protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 1 SMP KASAN KASAN: null-ptr-deref in range...

CVE-2024-26782 mptcp: fix double-free on socket dismantle

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix double-free on socket dismantle when MPTCP server accepts an incoming connection, it clones its listener socket. However, the pointer to 'inetopt' for the new socket has the same value as the original one: as a...