CVE-2018-20836

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

An issue was discovered in the Linux kernel before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 7, 2019
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2018

CVE-2018-208374.8include/admin/Menu/Ajax.php in Typesetter 5.1 has index.php/Admin/Menu/Ajax?cmd=AddHidden title XSS.CVE-2018-208385.4ampforwp_save_steps_data in the AMP for WP plugin before 0.9.97.21 for WordPress allows stored XSS.CVE-2018-208394.3systemd 242 changes the VT1 mode upon a logout, which allows attackers to read cleartext passwords in certain circumstances, such as watchinCVE-2018-208408.6An unhandled exception vulnerability exists during Google Sign-In with Google API C++ Client before 2019-04-10. It potentially causes an outCVE-2018-208419.8HooToo TripMate Titan HT-TM05 and HT-05 routers with firmware 2.000.022 and 2.000.082 allow remote command execution via shell metacharacterCVE-2018-208437.5In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a hCVE-2018-208456.5Division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in openmj2/pi.c in OpenJPEG through 2.3.0 allCVE-2018-208466.5Out-of-bounds accesses in the functions pi_next_lrcp, pi_next_rlcp, pi_next_rpcl, pi_next_pcrl, pi_next_rpcl, and pi_next_cprl in openmj2/piCVE-2018-208478.8An improper computation of p_tx0, p_tx1, p_ty0 and p_ty1 in the function opj_get_encoding_parameters in openjp2/pi.c in OpenJPEG through 2.3CVE-2018-208488.8Advisto PEEL SHOPPING 9.0.0 has CSRF via en/achat/caddie_ajout.php and en/achat/caddie_affichage.php, as demonstrated by an XSS payload in tCVE-2018-208496.1Arastta eCommerce 1.6.2 is vulnerable to XSS via the PATH_INFO to the login/ URI.CVE-2018-208508.2Stormshield Network Security 2.0.0 through 2.13.0 and 3.0.0 through 3.7.1 has self-XSS in the command line interface of the SNS web server.
CVE-2018-20836: High severity, CVSS 8.1 | Vulnix