Security update for rsync

This update for rsync fixes the following issues: NOTE: This update was retracted as one of the fixes was broken. A new update will be issued. CVE-2024-12085: leak of uninitialized stack data on the server leading to possible ASLR bypass. bsc1234101 CVE-2024-12086: leak of a client machine's file...

CVE-2024-12084

CVE-2024-12084: Rsync daemon heap-based buffer overflow caused by improper handling of attacker-controlled checksum lengths (s2length). When MAX_DIGEST_LEN exceeds the fixed SUM_LENGTH (16 bytes), an out-of-bounds write to sum2 is possible. Public advisories confirm this bug affects rsync version...

CVE-2024-12084 Rsync: heap buffer overflow in rsync due to improper checksum length handling

A heap-based buffer overflow flaw was found in the rsync daemon. This issue is due to improper handling of attacker-controlled checksum lengths s2length in the code. When MAXDIGESTLEN exceeds the fixed SUMLENGTH 16 bytes, an attacker can write out of bounds in the sum2 buffer...

CVE-2024-12084 Rsync: heap buffer overflow in rsync due to improper checksum length handling

A heap-based buffer overflow flaw was found in the rsync daemon. This issue is due to improper handling of attacker-controlled checksum lengths s2length in the code. When MAXDIGESTLEN exceeds the fixed SUMLENGTH 16 bytes, an attacker can write out of bounds in the sum2 buffer...

CVE-2024-12084

A heap-based buffer overflow flaw was found in the rsync daemon. This issue is due to improper handling of attacker-controlled checksum lengths s2length in the code. When MAXDIGESTLEN exceeds the fixed SUMLENGTH 16 bytes, an attacker can write out of bounds in the sum2 buffer...

CVE-2024-12084 Rsync: heap buffer overflow in rsync due to improper checksum length handling

A heap-based buffer overflow flaw was found in the rsync daemon. This issue is due to improper handling of attacker-controlled checksum lengths s2length in the code. When MAXDIGESTLEN exceeds the fixed SUMLENGTH 16 bytes, an attacker can write out of bounds in the sum2 buffer...

DEBIAN-CVE-2025-21629

In the Linux kernel, the following vulnerability has been resolved: net: reenable NETIFFIPV6CSUM offload for BIG TCP packets The blamed commit disabled hardware offoad of IPv6 packets with extension headers on devices that advertise NETIFFIPV6CSUM, based on the definition of that feature in...

AZL-68552 CVE-2025-21629 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: net: reenable NETIFFIPV6CSUM offload for BIG TCP packets The blamed commit disabled hardware offoad of IPv6 packets with extension headers on devices that advertise NETIFFIPV6CSUM, based on the definition of that feature in...

UBUNTU-CVE-2025-21629

In the Linux kernel, the following vulnerability has been resolved: net: reenable NETIFFIPV6CSUM offload for BIG TCP packets The blamed commit disabled hardware offoad of IPv6 packets with extension headers on devices that advertise NETIFFIPV6CSUM, based on the definition of that feature in...

CVE-2025-21629 net: reenable NETIF_F_IPV6_CSUM offload for BIG TCP packets

In the Linux kernel, the following vulnerability has been resolved: net: reenable NETIFFIPV6CSUM offload for BIG TCP packets The blamed commit disabled hardware offoad of IPv6 packets with extension headers on devices that advertise NETIFFIPV6CSUM, based on the definition of that feature in...

rsync: Info Leak via Uninitialized Stack Contents

A flaw was found in rsync which could be triggered when rsync compares file checksums. This flaw allows an attacker to manipulate the checksum length s2length to cause a comparison between a checksum and uninitialized memory and leak one byte of uninitialized stack data at a time...

rsync: Info Leak via Uninitialized Stack Contents

A flaw was found in rsync which could be triggered when rsync compares file checksums. This flaw allows an attacker to manipulate the checksum length s2length to cause a comparison between a checksum and uninitialized memory and leak one byte of uninitialized stack data at a time...

USN-7206-1 Several security issues were fixed in rsync

Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync did not properly handle checksum lengths. An attacker could use this issue to execute arbitrary code. CVE-2024-12084 Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync compared checksums with...

Lodestar snappy checksum issue

Impact Unintended permanent chain split affecting greater than or equal to 25% of the network, requiring hard fork network partition requiring hard fork Lodestar does not verify checksum in snappy framing uncompressed chunks. Vulnerability Details In Req/Resp protocol the messages are encoded by...

GHSA-M9C9-MC2H-9WJW Lodestar snappy checksum issue

Impact Unintended permanent chain split affecting greater than or equal to 25% of the network, requiring hard fork network partition requiring hard fork Lodestar does not verify checksum in snappy framing uncompressed chunks. Vulnerability Details In Req/Resp protocol the messages are encoded by...

Out-of-Bounds Read

Overview Affected versions of this package are vulnerable to Out-of-Bounds Read when rsync compares file checksums. An anonymous client can leverage this overflow, together with the heap-based buffer overflow described in CVE-2024-12084 to execute code on an affected server. Alternatively, a...

CVE-2024-12085

A flaw was found in rsync which could be triggered when rsync compares file checksums. This flaw allows an attacker to manipulate the checksum length s2length to cause a comparison between a checksum and uninitialized memory and leak one byte of uninitialized stack data at a time...

DEBIAN-CVE-2024-12085

A flaw was found in rsync which could be triggered when rsync compares file checksums. This flaw allows an attacker to manipulate the checksum length s2length to cause a comparison between a checksum and uninitialized memory and leak one byte of uninitialized stack data at a time...

CVE-2024-12085

A flaw was found in rsync which could be triggered when rsync compares file checksums. This flaw allows an attacker to manipulate the checksum length s2length to cause a comparison between a checksum and uninitialized memory and leak one byte of uninitialized stack data at a time...

AZL-55649 CVE-2024-12085 affecting package rsync for versions less than 3.4.1-1

A flaw was found in rsync which could be triggered when rsync compares file checksums. This flaw allows an attacker to manipulate the checksum length s2length to cause a comparison between a checksum and uninitialized memory and leak one byte of uninitialized stack data at a time...