CVE-2020-27170: Observable Discrepancy

An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c performs undesirable out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-f232326f6966. This...

CVE-2020-27171: Off-by-one Error

An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c has an off-by-one error with a resultant integer underflow affecting out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information...

PT-2021-2489

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.11.8 Description: The issue is related to the Linux kernel's kernel/bpf/verifier.c file, which performs undesirable out-of-bounds speculation on pointer arithmetic. This can lead to side-channel attacks that...

PT-2021-2498

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.11.8 Description: An issue in the Linux kernel affects the kernel/bpf/verifier.c file, causing an off-by-one error with a resultant integer underflow. This error leads to out-of-bounds speculation on pointer...

PT-2021-2612

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.11.11 Description An issue in the Linux kernel's BPF subsystem can cause a system crash due to improper handling of intentionally uninitialized variables resolved ids and resolved sizes in the vmlinux BPF Type...

CVE-2020-27194: Incorrect Conversion between Numeric Types

An issue was discovered in the Linux kernel before 5.8.15. scalar32minmaxor in kernel/bpf/verifier.c mishandles bounds tracking during use of 64-bit values, aka CID-5b9fbeb75b6a...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2020-5755)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5755 advisory. - p54usb: Fix race between disconnect and firmware loading Alan Stern Orabug: 31351863 CVE-2019-15220 - media: rc: prevent memory leak in cx23888irprob...

CVE-2019-7308

A bypass was found for the Spectre v1 hardening in the eBPF engine of the Linux kernel. The code in the kernel/bpf/verifier.c performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize,...

CVE-2020-8835: Out-of-bounds Read

In the Linux kernel 5.5.0 and newer, the bpf verifier kernel/bpf/verifier.c did not properly restrict the register bounds for 32-bit operations, leading to out-of-bounds reads and writes in kernel memory. The vulnerability also affects the Linux 5.4 stable series, starting with v5.4.7, as the...

CVE-2019-7308

CVE-2019-7308 affects the Linux kernel’s BPF verifier in kernel/bpf/verifier.c prior to 4.20.6. The issue is undesirable out-of-bounds speculation on pointer arithmetic across branches with different state/limits, enabling potential side-channel attacks. Public sources in connected documents cons...

CVE-2019-7308

kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks...

CVE-2019-7308: Undefined Security Weakness

kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks...

PT-2019-2536

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.20.6 Description The issue is related to undesirable out-of-bounds speculation on pointer arithmetic in the Linux kernel, specifically in kernel/bpf/verifier.c. This can lead to side-channel attacks. The...

CVE-2018-18445

In the Linux kernel 4.14.x, 4.15.x, 4.16.x, 4.17.x, and 4.18.x before 4.18.13, faulty computation of numeric bounds in the BPF verifier permits out-of-bounds memory accesses because adjustscalarminmaxvals in kernel/bpf/verifier.c mishandles 32-bit right shifts...

CVE-2018-18445: Out-of-bounds Read

In the Linux kernel 4.14.x, 4.15.x, 4.16.x, 4.17.x, and 4.18.x before 4.18.13, faulty computation of numeric bounds in the BPF verifier permits out-of-bounds memory accesses because adjustscalarminmaxvals in kernel/bpf/verifier.c mishandles 32-bit right shifts...

PT-2018-3771

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.17 Description The issue is related to the BPF subsystem in the Linux kernel, which mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions in...

CVE-2017-17864: Exposure of Sensitive Information to an Unauthorized Actor

kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles statesequal comparisons between the pointer data type and the UNKNOWNVALUE data type, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."...

CVE-2017-17856: Improper Restriction of Operations within the Bounds of a Memory Buffer

kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service memory corruption or possibly have unspecified other impact by leveraging the lack of stack-pointer alignment enforcement...

CVE-2017-17853: Improper Restriction of Operations within the Bounds of a Memory Buffer

kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service memory corruption or possibly have unspecified other impact by leveraging incorrect BPFRSH signed bounds calculations...

CVE-2017-17854: Integer Overflow or Wraparound

kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service integer overflow and memory corruption or possibly have unspecified other impact by leveraging unrestricted integer values for pointer arithmetic...