Unverified Commit f455c896 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!5988 [sync] PR-5901: CVE-2024-26695 

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/5901 
 
PR sync from: Chen Ridong <chenridong@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/4FEBL5NK5XIY3AYTHSQ3ASU6RADGEIVF/ 
*** BLURB HERE ***

Kim Phillips (1):
  crypto: ccp - Fix null pointer dereference in
    __sev_platform_shutdown_locked


-- 
2.34.1
 
https://gitee.com/src-openeuler/kernel/issues/I9E2FM 
 
Link:https://gitee.com/openeuler/kernel/pulls/5988

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents fe2301ca e243013c

drivers/crypto/ccp/sev-dev.c

+8 −2
Original line number Diff line number Diff line
@@ -275,10 +275,16 @@ EXPORT_SYMBOL_GPL(sev_platform_init); 


static int __sev_platform_shutdown_locked(int *error)

{

	struct sev_device *sev = psp_master->sev_data;

	struct psp_device *psp = psp_master;

	struct sev_device *sev;

	int ret;



	if (!sev || sev->state == SEV_STATE_UNINIT)

	if (!psp || !psp->sev_data)

		return 0;



	sev = psp->sev_data;



	if (sev->state == SEV_STATE_UNINIT)

		return 0;



	ret = __sev_do_cmd_locked(SEV_CMD_SHUTDOWN, NULL, error);