UBUNTU-CVE-2026-71971

U-Boot before 2026.10-rc3 with CONFIGIPDEFRAG enabled contains an out-of-bounds write vulnerability in the netdefragment function in net/net.c. Remote attackers can send a crafted IP fragment with non-zero offset and More-Fragments flag set during netboot to corrupt adjacent memory and crash the...

CVE-2026-74220

U-Boot before 2026.10-rc5 contains a buffer overflow in nfsreadreply function in net/nfs-common.c that allows attackers to corrupt memory by supplying crafted NFS READ reply lengths. A malicious NFS server can exploit signed integer handling to bypass length validation and write far past the...

CVE-2026-74221

U-Boot before 2026.10-rc5 contains a buffer overflow in nfsreadlinkreply function in net/nfs-common.c when processing NFS server responses. A malicious NFS server can send crafted READLINK replies with negative or oversized symlink length values to corrupt memory and crash the bootloader...

UBUNTU-CVE-2026-74220

U-Boot before 2026.10-rc5 contains a buffer overflow in nfsreadreply function in net/nfs-common.c that allows attackers to corrupt memory by supplying crafted NFS READ reply lengths. A malicious NFS server can exploit signed integer handling to bypass length validation and write far past the...

UBUNTU-CVE-2026-74221

U-Boot before 2026.10-rc5 contains a buffer overflow in nfsreadlinkreply function in net/nfs-common.c when processing NFS server responses. A malicious NFS server can send crafted READLINK replies with negative or oversized symlink length values to corrupt memory and crash the bootloader...

CVE-2026-71971

U-Boot before 2026.10-rc3 with CONFIGIPDEFRAG enabled contains an out-of-bounds write vulnerability in the netdefragment function in net/net.c. Remote attackers can send a crafted IP fragment with non-zero offset and More-Fragments flag set during netboot to corrupt adjacent memory and crash the...

Important: Red Hat Security Advisory: Red Hat Lightspeed (formerly Insights) for Runtimes security update

An update is now available for Red Hat Lightspeed formerly Insights for Runtimes on RHEL 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

CVE-2026-74221 U-Boot before 2026.10-rc5 Buffer Overflow via NFS READLINK

U-Boot before 2026.10-rc5 contains a buffer overflow in nfsreadlinkreply function in net/nfs-common.c when processing NFS server responses. A malicious NFS server can send crafted READLINK replies with negative or oversized symlink length values to corrupt memory and crash the bootloader...

CVE-2026-74221

U-Boot before 2026.10-rc5 contains a buffer overflow in nfsreadlinkreply function in net/nfs-common.c when processing NFS server responses. A malicious NFS server can send crafted READLINK replies with negative or oversized symlink length values to corrupt memory and crash the bootloader...

CVE-2026-74221

Versions of U-Boot prior to 2026.10-rc5 are susceptible to a buffer overflow in the nfs_readlink_reply() function located in net/nfs-common.c. The vulnerability occurs when the bootloader processes responses from an NFS server that provides crafted READLINK replies containing negative or oversize...

CVE-2026-74221 U-Boot before 2026.10-rc5 Buffer Overflow via NFS READLINK

U-Boot before 2026.10-rc5 contains a buffer overflow in nfsreadlinkreply function in net/nfs-common.c when processing NFS server responses. A malicious NFS server can send crafted READLINK replies with negative or oversized symlink length values to corrupt memory and crash the bootloader...

CVE-2026-74220 U-Boot before 2026.10-rc5 Buffer Overflow via NFS READ Reply

U-Boot before 2026.10-rc5 contains a buffer overflow in nfsreadreply function in net/nfs-common.c that allows attackers to corrupt memory by supplying crafted NFS READ reply lengths. A malicious NFS server can exploit signed integer handling to bypass length validation and write far past the...

CVE-2026-74220 U-Boot before 2026.10-rc5 Buffer Overflow via NFS READ Reply

U-Boot before 2026.10-rc5 contains a buffer overflow in nfsreadreply function in net/nfs-common.c that allows attackers to corrupt memory by supplying crafted NFS READ reply lengths. A malicious NFS server can exploit signed integer handling to bypass length validation and write far past the...

CVE-2026-74220

U-Boot versions prior to 2026.10-rc5 are vulnerable to a buffer overflow within the nfs_read_reply() function located in net/nfs-common.c. The flaw stems from improper signed integer handling , which allows a malicious NFS server to provide crafted NFS READ reply lengths that bypass validation. T...

CVE-2026-74220

U-Boot before 2026.10-rc5 contains a buffer overflow in nfsreadreply function in net/nfs-common.c that allows attackers to corrupt memory by supplying crafted NFS READ reply lengths. A malicious NFS server can exploit signed integer handling to bypass length validation and write far past the...

CVE-2026-74220 U-Boot before 2026.10-rc5 Buffer Overflow via NFS READ Reply

U-Boot before 2026.10-rc5 contains a buffer overflow in nfsreadreply function in net/nfs-common.c that allows attackers to corrupt memory by supplying crafted NFS READ reply lengths. A malicious NFS server can exploit signed integer handling to bypass length validation and write far past the...

CVE-2026-71971 U-Boot before 2026.10-rc3 Out-of-Bounds Write in IP Fragment Reassembly

U-Boot before 2026.10-rc3 with CONFIGIPDEFRAG enabled contains an out-of-bounds write vulnerability in the netdefragment function in net/net.c. Remote attackers can send a crafted IP fragment with non-zero offset and More-Fragments flag set during netboot to corrupt adjacent memory and crash the...

CVE-2026-71971 U-Boot before 2026.10-rc3 Out-of-Bounds Write in IP Fragment Reassembly

U-Boot before 2026.10-rc3 with CONFIGIPDEFRAG enabled contains an out-of-bounds write vulnerability in the netdefragment function in net/net.c. Remote attackers can send a crafted IP fragment with non-zero offset and More-Fragments flag set during netboot to corrupt adjacent memory and crash the...

CVE-2026-71971

The U-Boot bootloader (versions before 2026.10-rc3 ) is vulnerable to an out-of-bounds write in the ‘net_defragment‘ function within net/net.c when CONFIG_IP_DEFRAG is enabled. A remote attacker can trigger this by sending a crafted IP fragment with a non-zero offset and the More-Fragments flag s...

CVE-2026-71971 U-Boot before 2026.10-rc3 Out-of-Bounds Write in IP Fragment Reassembly

U-Boot before 2026.10-rc3 with CONFIGIPDEFRAG enabled contains an out-of-bounds write vulnerability in the netdefragment function in net/net.c. Remote attackers can send a crafted IP fragment with non-zero offset and More-Fragments flag set during netboot to corrupt adjacent memory and crash the...