Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Fixed a crash that occurred during module load/unload tests. During the purex packet handling, the driver incorrectly freed a pre-allocated structure. This issue was fixed by skipping that specific entry in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: mvneta: fix calls to pagepoolgetstats Calling pagepoolgetstats in the mvneta driver without checks leads to kernel crashes. First the page pool is only available if the bm is not used. The page pool is also not allocated whe...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: The code correctly moves the list within scdisable. Commit 13bac861952a “IB/hfi1: Fix the abba locking issue with scdisable”. However, the code incorrectly attempts to move a list from one list head to another. As a...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xen/netback: Avoid entering xenvifrxnextskb with an empty rx queue. xenvifrxnextskb expects the rx queue not to be empty. However, if the loop in xenvifrxaction performs multiple iterations, the availability of another skb in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: schets: do not peek at classes beyond ‘nbands’ When the number of DRR classes decreases, the round-robin active list may contain elements that have already been freed in etsqdiscchange. As a result, it’s possible to...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: lt8912b: Fixed crash when detaching a bridge The lt8912b driver, in its bridge-detaching function, calls drmconnectorunregister and drmconnectorcleanup. drmconnectorunregister should only be called for connectors...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A NULL pointer dereference issue was discovered in the gfs2 file system within the Linux kernel. This issue occurs in corrupted gfs2 file systems when the evict code attempts to reference the journal descriptor structure after it has been freed and set to NULL. A privileged local user could explo...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Correct group validation in ext4mbgoodgroup. The group corruption check will access memory related to the grp structure. This can lead to a kernel crash if grp is set to NULL. Therefore, perform a NULL check before the...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: A bug has been fixed in ext4mbreleasegrouppa. If a malicious fuzzer overwrites the ext4 superblock while it is mounted, causing sfirstdatablock to be set to a very large number, the calculation of the block group may...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PowerPC: Do not attempt to copy PPR for tasks with NULL pt regs. PowerPC sets up PFKTHREAD and PFIOWORKER with a NULL pt regs, which, according to my arguably very brief checking, is not commonly done for other architectures. Thi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: Refcount mechanisms have been implemented to handle unbinding of devices during busy operations. Driver support for indirect read and indirect write operations is provided, assuming that forced removal of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: hns3 – Fixed a kernel crash that occurred when devlink reloaded during pf initialization. The devlink reloading process will access hardware resources, but the register operations are performed before the hardware is...

SUSE CVE-2026-74717

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: fwtracer, return NULL on create error Tracer creation can fail by returning either NULL or ERRPTR. The return value is stored without a check on the device, and users treat ERRPTR and NULL the same way. This also causes...

SUSE CVE-2026-74728

In the Linux kernel, the following vulnerability has been resolved: xfs: handle NULL baddr in xfsbuffree When xfsbufallocbackingmem fails, xfsbuffree is called with bp-baddr still NULL. The code falls through to the folioput path which calls virttofolioNULL, dereferencing an invalid address and...

CVE-2026-74728

In the Linux kernel, the following vulnerability has been resolved: xfs: handle NULL baddr in xfsbuffree When xfsbufallocbackingmem fails, xfsbuffree is called with bp-baddr still NULL. The code falls through to the folioput path which calls virttofolioNULL, dereferencing an invalid address and...

AZL-97116 CVE-2026-74717 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: fwtracer, return NULL on create error Tracer creation can fail by returning either NULL or ERRPTR. The return value is stored without a check on the device, and users treat ERRPTR and NULL the same way. This also causes...

CVE-2026-74633

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix NULL pointer dereference in module event cache removal A module-only event filter such as ":mod:foo" is cached with a NULL eventmod-match when foo has not been loaded. If a later write tries to remove a specific matc...

UBUNTU-CVE-2026-74715

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix netns reference imbalance in conntrack kfuncs The opts argument of the BPF conntrack kfuncs can point to a shared map value. bpfnfctlookup and bpfnfctallocentry read opts-netnsid separately when acquiring and releasing t...

UBUNTU-CVE-2026-74717

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: fwtracer, return NULL on create error Tracer creation can fail by returning either NULL or ERRPTR. The return value is stored without a check on the device, and users treat ERRPTR and NULL the same way. This also causes...

CVE-2026-74728

CVE-2026-74728 is a NULL pointer dereference in the Linux kernel's XFS filesystem repair tooling. When xfs_buf_alloc_backing_mem() fails, xfs_buf_free() is called with bp->b_addr still NULL. The code then falls through to the folio_put path, which calls virt_to_folio(NULL), dereferencing an in...