5.5

CVE-2024-41030: linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2024-41030DEBIAN-CVE-2024-41030
Published 29-07-2024Last modified 11-05-2026

Vulnerability summary

CVE-2024-41030 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.1% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 13 · Related 10

Timeline

  1. 29-07-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: discard write access to the directory open may_open() does not allow a directory to be opened with the write access. However, some writing flags set by client result in adding write access on server, making ksmbd incompatible with FUSE file system. Simply, let's discard the write access when opening a directory. list_add corruption. next is NULL. ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:26! pc : __list_add_valid+0x88/0xbc lr : __list_add_valid+0x88/0xbc Call trace: __list_add_valid+0x88/0xbc fuse_finish_open+0x11c/0x170 fuse_open_common+0x284/0x5e8 fuse_dir_open+0x14/0x24 do_dentry_open+0x2a4/0x4e0 dentry_open+0x50/0x80 smb2_open+0xbe4/0x15a4 handle_ksmbd_work+0x478/0x5ec process_one_work+0x1b4/0x448 worker_thread+0x25c/0x430 kthread+0x104/0x1d4 ret_from_fork+0x10/0x20

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

0.00 pp

From 0.29% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu118 products
  • linuxAll versions (No fix recorded) | < 6.8.0-48.48
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 6.8.0-1018.20
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < 66cf853e1c7a2407f15d9f7aaa3e47d61745e361 | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < 9e84b1ba5c98fb5c9f869c85db1d870354613baa | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < 198498b2049c0f11f7670be6974570e02b0cc035 | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < e2e33caa5dc2eae7bddf88b22ce11ec3d760e5cd | 5.15
  • linux_kernel≥ 5.15, < 6.1.100 | ≥ 6.2, < 6.6.41 | ≥ 6.7, < 6.9.10 | 6.10:rc1 | 6.10:rc2 | 6.10:rc3 | 6.10:rc4 | 6.10:rc5 | 6.10:rc6 | 6.10:rc7
Debian1 product
  • linux< 6.1.106-1 | < 6.9.10-1

3 vendors · 121 products

References

19 links
Show all 19 references