USN-7775-3 linux-azure-5.15 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

CVE-2023-53526: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: jbd2: check 'jh-btransaction' before removing it from checkpoint Following process will corrupt ext4 image: Step 1: jbd2journalcommittransaction jbd2journalinsertcheckpointjh, committransaction // Put jh into trans1-tcheckpointli...

CVE-2023-53473: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: improve error handling from ext4dirhash The ext4dirhash will almost never fail, especially when the hash tree feature was first introduced. However, with the addition of support of encrypted, casefolded file names, that...

CVE-2023-53450: Reachable Assertion

In the Linux kernel, the following vulnerability has been resolved: ext4: remove a BUGON in ext4mbreleasegrouppa If a malicious fuzzer overwrites the ext4 superblock while it is mounted such that the sfirstdatablock is set to a very large number, the calculation of the block group can underflow,...

CVE-2022-50435: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid crash when inline data creation follows DIO write When inode is created and written to using direct IO, there is nothing to clear the EXT4STATEMAYINLINEDATA flag. Thus when inode gets truncated later to say 1 byte and...

CVE-2023-53503: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: ext4: allow ext4getgroupinfo to fail Previously, ext4getgroupinfo would treat an invalid group number as BUG, since in theory it should never happen. However, if a malicious attaker or fuzzer modifies the superblock via the block...

CVE-2022-50465: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: ext4: fix leaking uninitialized memory in fast-commit journal When space at the end of fast-commit journal blocks is unused, make sure to zero it out so that uninitialized memory is not leaked to disk...

CVE-2022-50428: Off-by-one Error

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one errors in fast-commit block filling Due to several different off-by-one errors, or perhaps due to a late change in design that wasn't fully reflected in the code that was actually merged, there are several ve...

PT-2025-40113

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue related to off-by-one errors in fast-commit block filling within the ext4 filesystem. These errors stem from constraints on how fast-commit blocks are...

CVE-2022-50436: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set up encryption key during jbd2 transaction Commit a80f7fcf1867 "ext4: fixup ext4fctrack functions' signature" extended the scope of the transaction in ext4unlink too far, making it include the call to ext4findentry...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: fix NULL pointer dereference in l3mdevl3rcv CVE-2025-22103 In the Linux kernel, the following vulnerability has been resolved: ext4: avoid journaling sb update on error if journal is destroying CVE-2025-22113...

Linux ext4_xattr inode_dec_ref_all Heap Buffer Overflow DoS

The vulnerability of the ext4xattr inodedecrefall function in the fs/ext4/xattr.c component of the Linux operating system is related to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to cause a service failure...

ext4 kernel DoS

The vulnerability of the ext4 kernel component in Linux operating systems is related to insufficient blocking. Exploiting this vulnerability can allow an attacker to cause a service failure...

ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super()

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OESA-2025-2348 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel's JSM serial driver, a resource leak vulnerability exists in the probe function. The error path needs to properly unwind instead of just returning directly, which may lead to resource leakage...

OESA-2025-2350 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: tracing: Fix reading strings from synthetic events The follow commands caused a crash: cd /sys/kernel/tracing echo 's:open char file' dynamicevents echo...

USN-7775-2 linux-azure vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

Ubuntu 22.04 LTS : Linux kernel (Azure FIPS) vulnerabilities (USN-7775-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7775-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

USN-7776-1 linux-oracle-5.15 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

USN-7774-3 linux-intel-iot-realtime, linux-realtime vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...