what you don't know can hurt you
Home Files News &[SERVICES_TAB]About Contact Add New
Showing 1 - 2 of 2 RSS Feed

CVE-2024-36489

Status Candidate

Overview

In the Linux kernel, the following vulnerability has been resolved: tls: fix missing memory barrier in tls_init In tls_init(), a write memory barrier is missing, and store-store reordering may cause NULL dereference in tls_{setsockopt,getsockopt}. CPU0 CPU1 ----- ----- // In tls_init() // In tls_ctx_create() ctx = kzalloc() ctx->sk_proto = READ_ONCE(sk->sk_prot) -(1) // In update_sk_prot() WRITE_ONCE(sk->sk_prot, tls_prots) -(2) // In sock_common_setsockopt() READ_ONCE(sk->sk_prot)->setsockopt() // In tls_{setsockopt,getsockopt}() ctx->sk_proto->setsockopt() -(3) In the above scenario, when (1) and (2) are reordered, (3) can observe the NULL value of ctx->sk_proto, causing NULL dereference. To fix it, we rely on rcu_assign_pointer() which implies the release barrier semantic. By moving rcu_assign_pointer() after ctx->sk_proto is initialized, we can ensure that ctx->sk_proto are visible when changing sk->sk_prot.

Related Files

Ubuntu Security Notice USN-7009-1
Posted Sep 13, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 7009-1 - Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Chenyuan Yang discovered that the USB Gadget subsystem in the Linux kernel did not properly check for the device to be enabled before writing. A local attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-48772, CVE-2024-23848, CVE-2024-25741, CVE-2024-31076, CVE-2024-33847, CVE-2024-34027, CVE-2024-34777, CVE-2024-35247, CVE-2024-36015, CVE-2024-36032, CVE-2024-36270, CVE-2024-36489, CVE-2024-36894, CVE-2024-36971
SHA-256 | 5b612a46c804c77ac14a7809a47fec0de9fff4a8a6439f91a0d5ad4c32a28058
Ubuntu Security Notice USN-7004-1
Posted Sep 12, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 7004-1 - Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the JFS file system contained an out-of-bounds read vulnerability when printing xattr debug information. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-48772, CVE-2024-23848, CVE-2024-32936, CVE-2024-33619, CVE-2024-33621, CVE-2024-34027, CVE-2024-36015, CVE-2024-36244, CVE-2024-36286, CVE-2024-36288, CVE-2024-36478, CVE-2024-36479, CVE-2024-36484, CVE-2024-36489
SHA-256 | 431af02c0d9e5c558fd6375749c474c2ba15897d474ed112193b050613cb07f8
Page 1 of 1
Back1Next

File Archive:

September 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Sep 1st
    261 Files
  • 2
    Sep 2nd
    17 Files
  • 3
    Sep 3rd
    38 Files
  • 4
    Sep 4th
    52 Files
  • 5
    Sep 5th
    23 Files
  • 6
    Sep 6th
    27 Files
  • 7
    Sep 7th
    0 Files
  • 8
    Sep 8th
    1 Files
  • 9
    Sep 9th
    16 Files
  • 10
    Sep 10th
    38 Files
  • 11
    Sep 11th
    21 Files
  • 12
    Sep 12th
    40 Files
  • 13
    Sep 13th
    18 Files
  • 14
    Sep 14th
    0 Files
  • 15
    Sep 15th
    0 Files
  • 16
    Sep 16th
    0 Files
  • 17
    Sep 17th
    0 Files
  • 18
    Sep 18th
    0 Files
  • 19
    Sep 19th
    0 Files
  • 20
    Sep 20th
    0 Files
  • 21
    Sep 21st
    0 Files
  • 22
    Sep 22nd
    0 Files
  • 23
    Sep 23rd
    0 Files
  • 24
    Sep 24th
    0 Files
  • 25
    Sep 25th
    0 Files
  • 26
    Sep 26th
    0 Files
  • 27
    Sep 27th
    0 Files
  • 28
    Sep 28th
    0 Files
  • 29
    Sep 29th
    0 Files
  • 30
    Sep 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2024 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close