CVE-2024-47712: linux NULL Pointer Dereference
Vulnerability summary
CVE-2024-47712 is a high (CVSS 8.3) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.9% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 48 · Related 46Timeline
- 21-10-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param In the `wilc_parse_join_bss_param` function, the TSF field of the `ies` structure is accessed after the RCU read-side critical section is unlocked. According to RCU usage rules, this is illegal. Reusing this pointer can lead to unpredictable behavior, including accessing memory that has been updated or causing use-after-free issues. This possible bug was identified using a static analysis tool developed by myself, specifically designed to detect RCU-related issues. To address this, the TSF value is now stored in a local variable `ies_tsf` before the RCU lock is released. The `param->tsf_lo` field is then assigned using this local variable, ensuring that the TSF value is safely accessed.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated8.3HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
0.00 pp
From 0.36% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu130 products
- linux< 5.4.0-208.228 | < 5.15.0-127.137 | < 6.8.0-54.56
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1140.150 | < 5.15.0-1073.79 | < 6.8.0-1023.25
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ e556006de4ea93abe2b46cba202a2556c544b8b2, < 5a24cedc243ace5ed7c1016f52a7bfc8f5b07815 | ≥ b4bbf38c350acb6500cbe667b1e2e68f896e4b38, < 557418e1704605a81c9e26732449f71b1d40ba1e | ≥ d80fc436751cfa6b02a8eda74eb6cce7dadfe5a2, < bf090f4fe935294361eabd9dc5a949fdd77d3d1b | ≥ 745003b5917b610352f52fe0d11ef658d6471ec2, < b040b71d99ee5e17bb7a743dc01cbfcae8908ce1 | ≥ 4bfd20d5f5c62b5495d6c0016ee6933bd3add7ce, < 84398204c5df5aaf89453056cf0647cda9664d2b | ≥ 205c50306acf58a335eb19fa84e40140f4fe814f, < 2f944e6255c2fc1c9bd9ee32f6b14ee0b2a51eb5 | ≥ 205c50306acf58a335eb19fa84e40140f4fe814f, < 79510414a7626317f13cc9073244ab7a8deb3192 | ≥ 205c50306acf58a335eb19fa84e40140f4fe814f, < 6d7c6ae1efb1ff68bc01d79d94fdf0388f86cdd8 | 5800ec78775c0cd646f71eb9bf8402fb794807de | dd50d3ead6e3707bb0a5df7cc832730c93ace3a7 | ≥ 5.4.273, < 5.4.285 | ≥ 5.10.214, < 5.10.227 | ≥ 5.15.153, < 5.15.168 | ≥ 6.1.83, < 6.1.113 | ≥ 6.6.23, < 6.6.54 | ≥ 6.7.11, < 6.8 | ≥ 6.8.2, < 6.9 | 6.9
- linux_kernel≥ 5.4.273, < 5.5 | ≥ 5.10.214, < 5.10.227 | ≥ 5.15.153, < 5.15.168 | ≥ 6.1.83, < 6.1.113 | ≥ 6.6.23, < 6.6.54 | ≥ 6.7.11, < 6.8 | ≥ 6.8.2, < 6.9 | > 6.9, < 6.10.13 | ≥ 6.11, < 6.11.2
Debian1 product
- linux< 6.1.115-1 | < 6.11.2-1
3 vendors · 133 products