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atmodem: sms: ensure buffer is initialized before use

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Fixes: CVE-2024-7540
Fixes: CVE-2024-7541
Fixes: CVE-2024-7542
This commit is contained in:
Sicelo A. Mhlongo
2024-12-17 11:31:28 +02:00
committed by Matti Lehtimäki
parent 3df702e03b
commit 822abb5965
1 changed files with 3 additions and 3 deletions
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6
ofono/drivers/atmodem/sms.c
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@@ -407,7 +407,7 @@ static void at_cmt_notify(GAtResult *result, gpointer user_data)
struct sms_data *data = ofono_sms_get_data(sms); struct sms_data *data = ofono_sms_get_data(sms);
GAtResultIter iter; GAtResultIter iter;
const char *hexpdu; const char *hexpdu;
unsigned char pdu[176]; unsigned char pdu[176] = {0};
long pdu_len; long pdu_len;
int tpdu_len; int tpdu_len;
@@ -473,7 +473,7 @@ static void at_cmgr_notify(GAtResult *result, gpointer user_data)
struct sms_data *data = ofono_sms_get_data(sms); struct sms_data *data = ofono_sms_get_data(sms);
GAtResultIter iter; GAtResultIter iter;
const char *hexpdu; const char *hexpdu;
unsigned char pdu[176]; unsigned char pdu[176] = {0};
long pdu_len; long pdu_len;
int tpdu_len; int tpdu_len;
@@ -655,7 +655,7 @@ static void at_cmgl_notify(GAtResult *result, gpointer user_data)
struct sms_data *data = ofono_sms_get_data(sms); struct sms_data *data = ofono_sms_get_data(sms);
GAtResultIter iter; GAtResultIter iter;
const char *hexpdu; const char *hexpdu;
unsigned char pdu[176]; unsigned char pdu[176] = {0};
long pdu_len; long pdu_len;
int tpdu_len; int tpdu_len;
int index; int index;